[tx] updated client translations from transifex [skip ci]

22 files changed, 1166 insertions, 1012 deletions

diff --git a/translations/client_ar.ts b/translations/client_ar.ts
index d379ffc93..a1e187ced 100644
--- a/translations/client_ar.ts
+++ b/translations/client_ar.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>تعذّرت إعادة تعيين حالة المجلد</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>تم العثور على دفتر يومية مزامنة قديم &apos;%1&apos;، لكن تعذّرت إزالته. يُرجى التأكد من عدم وجود أي تطبيق يستخدمها حاليًا.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (النسخ الاحتياطي)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (النسخ الاحتياطي %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>حالة غير معرفة.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>الانتظار لبدء المزامنة.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>التحضير للمزامنة.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>المزامنة قيد التشغيل.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>المزامنة ناجحة، ولم يتم حل التعارضات.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>المزامنة الأخيرة تمت بنجاح.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>خطأ في الإعداد.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>إلغاء المستخدم.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>توقفت المزامنة مؤقتًا.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (المزامنة متوقفة مؤقتًا)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>لم يتم تحديد مجلد صالح!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>المسار المحدد غير موجود!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>المسار المحدد ليس مجلدًا!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>ليس لديك الصلاحية للكتابة في المجلد المحدد!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>تم إجراء مزامنة من الخادم إلى المجلد المحلي هذا بالفعل. يُرجى اختيار مجلد محلي آخر!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>يحتوي المجلد المحلي %1 بالفعل على مجلد مستخدم في اتصال مزامنة المجلد. يُرجى اختيار مجلد آخر!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>المجلد المحلي %1 موجود في مجلد مستخدم في اتصال مزامنة المجلد بالفعل. يُرجى اختيار مجلد آخر!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>حدث خطأ في أثناء تحميل قائمة المجلدات من الخادم.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>تم تمكين دعم الملف الظاهري.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>تم تسجيل الخروج</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>لم يتم حل التعارضات. انقر للحصول على التفاصيل.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>البحث عن تغييرات في &apos;%1&apos; البعيد</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>البحث عن تغييرات في &apos;%1&apos; المحلي</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>توافق التغييرات</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>، &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>مزامنة %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>، </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>تنزيل %1/ثانية</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/ثانية</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/ثانية</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>تحميل %1/ثانية</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 من %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 متبقٍّ %1 من %2، ملف %3 من %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 من %2، ملف %3 من %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>ملف %1 من %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>جارٍ الانتظار...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>جارٍ انتظار %n مجلد آخر ...</numerusform><numerusform>جارٍ انتظار %n مجلد آخر ...</numerusform><numerusform>جارٍ انتظار %n مجلدين آخر ...</numerusform><numerusform>جارٍ انتظار %n مجلدات أخرى ...</numerusform><numerusform>جارٍ انتظار %n مجلدات أخرى ...</numerusform><numerusform>جارٍ انتظار %n مجلدات أخرى ...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>جارٍ تحضير المزامنة...</translation>
     </message>
diff --git a/translations/client_bg_BG.ts b/translations/client_bg_BG.ts
index 3a6962d94..af7d07411 100644
--- a/translations/client_bg_BG.ts
+++ b/translations/client_bg_BG.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Неуспешно изчистване на състоянието на папката</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Открит е стар файл за синхронизирне %1, но не може да бъде премахнат. Моля уверете се, че никоя програма не го използва в момента.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(архив)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(архив %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Неопределено Състояние</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Изчакване за започване на синхронизацията.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Подготовка за синхронизация</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Синхронизирането работи.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Синхронизирането беше успешно, няма нерешени конфликти.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Последната синхронизация е беше успешна.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Грешка в Настройките.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Прекрати</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Синхронизирането е на пауза.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Синхронизирането е на пауза)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Няма маркирана валидна папка!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Избраният път не съществува!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Избраният път не е папка!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Вие нямате права да записвате в избраната папка!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Вече съществува синхронизиране между сървъра и тази локална папка. Моля, изберете друга локална папка!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Локалната папка %1 вече съдържа папка, която се синхронизирва. Моля изберете друга!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Локалната папка %1 вече се съдържа в папка, която участва в синхронизация. Моля изберете друга!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Грешка при зареждането на списъка с папки от сървъра.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Поддръжката на виртуални файлове е активирана.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Излизане</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Има нерешени конфликти. Кликнете за повече подробности.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Проверка за промени в отдалечената „%1“</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Проверка за промени в локалната „%1“</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Запис на промените</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Синхронизиране на %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>теглене с %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>качване с %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 от %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>още %5, %1 от %2, файл %3 от %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 от %2, файл %3 от %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>файл %1 от %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Изчакване...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Изчакване на %n други папка(и)...</numerusform><numerusform>Изчакване на %n други папка(и)...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Подготовка за синхронизация...</translation>
     </message>
diff --git a/translations/client_cs.ts b/translations/client_cs.ts
index ce7bbb400..82e7e8548 100644
--- a/translations/client_cs.ts
+++ b/translations/client_cs.ts
@@ -1137,120 +1137,127 @@ Pokud to byl omyl a chcete si soubory ponechat, budou opět synchronizovány ze
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Nelze obnovit stav adresáře</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Byl nalezen starý záznam synchronizace &apos;%1&apos;, ale nebylo možné jej odebrat. Ujistěte se, že není aktuálně používán jinou aplikací.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (záloha)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (záloha %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Nedefinovaný stav.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Čeká na spuštění synchronizace.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Příprava na synchronizaci.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Synchronizace probíhá.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Synchronizace byla úspěšně dokončena, nevyřešené konflikty</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Poslední synchronizace byla úspěšná.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Chyba nastavení.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Zrušení uživatelem.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Synchronizace pozastavena.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Synchronizace je pozastavena)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Nebyl vybrán platný adresář!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Vybraná cesta ke složce neexistuje!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Vybraná cesta nevede do adresáře!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Nemáte oprávnění pro zápis do zvoleného adresáře!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Ze serveru se do tohoto umístění již synchronizuje. Prosím zvolte jinou místní složku!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Místní adresář %1 již obsahuje podadresář použitý pro synchronizaci odesílání. Zvolte prosím jiný!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Místní adresář %1 je již obsažen ve adresáři použitém pro synchronizaci. Vyberte prosím jiný!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1290,12 +1297,12 @@ Pokud to byl omyl a chcete si soubory ponechat, budou opět synchronizovány ze
         <translation>Chyba při načítání seznamu adresářů ze serveru.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Virtuální soubory povoleny</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Odhlášeno</translation>
     </message>
@@ -1310,112 +1317,112 @@ Pokud to byl omyl a chcete si soubory ponechat, budou opět synchronizovány ze
         <translation>Jsou zde nevyřešené konflikty. Klikněte pro detaily.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Zjišťuji změny ve vzdáleném &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Zjišťuji změny v místním &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Srovnávám změny</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Synchronizuji %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>stahování %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>nahrávání %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 ze %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 zbývá, %1 ze %2, soubor %3 z %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 z %2, soubor %3 z %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>soubor %1 z %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Chvíli strpení...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Čeká se na %n další adresář...</numerusform><numerusform>Čeká se na %n další adresáře...</numerusform><numerusform>Čeká se na %n dalších adresářů...</numerusform><numerusform>Čeká se na %n dalších adresářů...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Synchronizace se připravuje...</translation>
     </message>
diff --git a/translations/client_de.ts b/translations/client_de.ts
index abe2f38bc..0b4232eb4 100644
--- a/translations/client_de.ts
+++ b/translations/client_de.ts
@@ -1147,120 +1147,127 @@ Falls dies ein Missgeschick war und Sie sich zum Behalten der Dateien entscheide
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Konnte Ordner-Zustand nicht zurücksetzen</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Ein altes Synchronisations-Journal &apos;%1&apos; wurde gefunden, konnte jedoch nicht entfernt werden. Bitte stellen Sie sicher, dass keine Anwendung es verwendet.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(Sicherung)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(Sicherung %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Undefinierter Zustand.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Wartet auf Beginn der Synchronisation</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Synchronisation wird vorbereitet.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Synchronisation läuft.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Synchronisation war erfolgreich, ungelöste Konflikte. </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Die letzte Synchronisation war erfolgreich.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Installationsfehler.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Benutzer-Abbruch</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Synchronisation wurde angehalten.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Synchronisation ist pausiert)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Kein gültiger Ordner gewählt!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Der gewählte Pfad existiert nicht!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Der gewählte Pfad ist kein Ordner!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Sie haben keine Schreibberechtigung für den ausgewählten Ordner!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Es existiert bereits eine Synchronisation vom Server zu diesem lokalen Ordner. Bitte wählen Sie ein anderes lokales Verzeichnis!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Der lokale Ordner %1 liegt innerhalb eines synchronisierten Ordners. Bitte wählen Sie einen anderen aus!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Der lokale Ordner %1 liegt in einem Ordner, der bereits synchronisiert wird. Bitte wählen Sie einen anderen aus!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ Falls dies ein Missgeschick war und Sie sich zum Behalten der Dateien entscheide
         <translation>Fehler beim Empfang der Ordnerliste vom Server.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Unterstützung für virtuelle Dateien ist aktiviert.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Abgemeldet</translation>
     </message>
@@ -1320,112 +1327,112 @@ Falls dies ein Missgeschick war und Sie sich zum Behalten der Dateien entscheide
         <translation>Es existieren ungelöste Konflikte. Für Details klicken.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Änderungen der entfernten Ressource &apos;%1&apos; werden geprüft</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Änderungen der lokalen Ressource &apos;%1&apos; werden geprüft</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Änderungen zusammenführen</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Synchronisiere %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>Download %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>Upload %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 von %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 übrig, %1 von %2, Datei %3 von %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 of %2, Datei %3 von %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>Datei %1 von %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Warte...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Warte auf einen anderen Ordner</numerusform><numerusform>Warte auf %n andere Ordner</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Bereite Synchronisation vor...</translation>
     </message>
diff --git a/translations/client_de_CH.ts b/translations/client_de_CH.ts
index e4e171150..154899fd1 100644
--- a/translations/client_de_CH.ts
+++ b/translations/client_de_CH.ts
@@ -1145,120 +1145,127 @@ Falls dies ein Missgeschick war und du dich zum Behalten der Datei entscheidest,
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Ordnerzustand konnte nicht zurückgesetzt werden</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Ein altes Synchronisations-Journal &apos;%1&apos; wurde gefunden, konnte jedoch nicht entfernt werden. Bitte stelle sicher, dass keine Anwendung es verwendet.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(Backup)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(Backup %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Undefinierter Zustand.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Warten auf Beginn der Synchronisation</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Synchronisation wird vorbereitet.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Synchronisation läuft.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Synchronisation war erfolgreich, ungelöste Konflikte. </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Die letzte Synchronisation war erfolgreich.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Installationsfehler.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Benutzer-Abbruch</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Synchronisation wurde angehalten.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Synchronisation ist pausiert)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Keinen gültigen Ordner ausgewählt!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Der gewählte Pfad existiert nicht!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Der gewählte Pfad ist kein Verzeichnis!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Sie sind nicht berechtigt, in diesen Ordner zu schreiben!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Es exisitiert bereits eine Synchronisation vom Server zu diesem lokalen Ordner. Bitte wähle ein anderes lokales Verzeichnis!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Das lokale Verzeichnis %1 enthält schon ein Verzeichnis, das schon mit einer anderen Verbindung synchronisiert wird. Bitte wähle ein anderes Verzeichnis!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Das lokale Verzeichnis %1 liegt innerhalb eines Verzeichnisses, das schon synchronisiert wird. Bitte wähle ein anderes Verzeichnis! </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1298,12 +1305,12 @@ Falls dies ein Missgeschick war und du dich zum Behalten der Datei entscheidest,
         <translation>Fehler beim Herunterladen der Verzeichnisliste vom Server.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Unterstützung für virtuelle Dateien ist aktiviert.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>austreten</translation>
     </message>
@@ -1318,112 +1325,112 @@ Falls dies ein Missgeschick war und du dich zum Behalten der Datei entscheidest,
         <translation>Es existieren ungelöste Konflikte. Für Details klicken.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Prüfe Änderungen der entfernten &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Prüfe Änderungen der lokalen &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Änderungen zusammenführen</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>,&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Synchronisiere %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>Download %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>Upload %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 von %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 übrig, %1 von %2, Datei %3 von %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 von %2, Datei %3 von %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>Datei %1 von %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>warten...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Warte auf ein Verzeichnis...</numerusform><numerusform>Warte auf %n andere Verzeichnisse...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Synchronisation vorbereiten...</translation>
     </message>
diff --git a/translations/client_el.ts b/translations/client_el.ts
index de71b606b..390bc03ac 100644
--- a/translations/client_el.ts
+++ b/translations/client_el.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Δεν ήταν δυνατό να επαναφερθεί η κατάσταση του φακέλου</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Βρέθηκε ένα παλαιότερο αρχείο συγχρονισμού &apos;%1&apos;, αλλά δεν μπόρεσε να αφαιρεθεί. Παρακαλώ βεβαιωθείτε ότι καμμία εφαρμογή δεν το χρησιμοποιεί αυτή τη στιγμή.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(αντίγραφο ασφαλείας)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(αντίγραοφ ασφαλέιας %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Απροσδιόριστη Κατάσταση.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Αναμονή έναρξης συγχρονισμού.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Προετοιμασία για συγχρονισμό.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Ο συγχρονισμός εκτελείται.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Επιτυχημένος συγχρονισμός, ανεπίλυτες συγκρούσεις.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Ο τελευταίος συγχρονισμός ήταν επιτυχής.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Σφάλμα Ρύθμισης.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Ματαίωση από Χρήστη.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Παύση συγχρονισμού.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Παύση συγχρονισμού)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Δεν επιλέχθηκε έγκυρος φάκελος!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Η επιλεγμένη διαδρομή δεν υπάρχει!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Η επιλεγμένη διαδρομή δεν είναι φάκελος!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Δεν έχετε δικαιώματα εγγραφής στον επιλεγμένο φάκελο!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Υπάρχει ήδη συγχρονισμός από το διακομιστή σε αυτόν τον τοπικό φάκελο. Επιλέξτε έναν άλλο τοπικό φάκελο!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Ο τοπικός φάκελος %1 περιέχει ήδη ένα φάκελο που χρησιμοποιείται σε μια σύνδεση συγχρονισμού φακέλου. Παρακαλώ επιλέξτε άλλον!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Ο τοπικός φάκελος %1 περιέχεται ήδη σε φάκελο που χρησιμοποιείται σε μια σύνδεση συγχρονισμού. Παρακαλώ επιλέξτε άλλον!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Σφάλμα κατά τη φόρτωση της λίστας φακέλων από το διακομιστή.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Η υποστήριξη για το εικονικό αρχείο είναι ενεργοποιημένη.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Αποσύνδεση</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Αυτές είναι οι ανεπίλυτες διενέξεις. Κάντε κλικ για λεπτομέρειες.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Έλεγχος για αλλαγές στο απομακρυσμένο &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Έλεγχος για αλλαγές στο τοπικό &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Συνδυασμός αλλαγών</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Συγχρονισμός %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>λήψη %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>μεταφόρτωση %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 από %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>Απομένει %5, %1 από %2, αρχείο  %3 από  %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 από %2, αρχείο %3 από %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>αρχείο %1 από %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Αναμονή...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Αναμονή για %n άλλο φάκελο...</numerusform><numerusform>Αναμονή για %n άλλους φακέλους...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Προετοιμασία για συγχρονισμό...</translation>
     </message>
diff --git a/translations/client_en.ts b/translations/client_en.ts
index 0ae668a6b..918228f8c 100644
--- a/translations/client_en.ts
+++ b/translations/client_en.ts
@@ -1161,120 +1161,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1314,12 +1321,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation type="unfinished"></translation>
     </message>
@@ -1334,107 +1341,107 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing &apos;foo.txt&apos;, &apos;bar.txt&apos;&quot;</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation type="unfinished"></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation type="unfinished"></translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation type="unfinished">
             <numerusform></numerusform>
@@ -1442,7 +1449,7 @@ If this was an accident and you decide to keep your files, they will be re-synce
         </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation type="unfinished"></translation>
     </message>
diff --git a/translations/client_en_GB.ts b/translations/client_en_GB.ts
index 14612c1a1..7ec99c974 100644
--- a/translations/client_en_GB.ts
+++ b/translations/client_en_GB.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Could not reset folder state</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (backup)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (backup %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Undefined State.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Waiting to start syncing.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Preparing for sync.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Sync is running.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Sync was successful, unresolved conflicts.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Last sync was successful.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Setup Error.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>User Abort.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Sync is paused.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Sync is paused)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>No valid folder selected!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>The selected path does not exist!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>The selected path is not a folder!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>You don&apos;t have permission to write to the selected folder!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>There is already a sync from the server to this local folder. Please pick another local folder!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Error whilst loading the list of folders from the server.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Virtual file support is enabled.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Signed out</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>There are unresolved conflicts. Click for details.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Checking for changes in remote &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Checking for changes in local &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Reconciling changes</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Syncing %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>download %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>upload %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 of %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 left, %1 of %2, file %3 of %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 of %2, file %3 of %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>file %1 of %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Waiting...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Waiting for %n other folder(s)...</numerusform><numerusform>Waiting for %n other folder(s)...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Preparing to sync...</translation>
     </message>
diff --git a/translations/client_es.ts b/translations/client_es.ts
index df57a4dd0..387cdd3c9 100644
--- a/translations/client_es.ts
+++ b/translations/client_es.ts
@@ -1147,120 +1147,127 @@ Si ha sido un accidente, y decide mantener los archivos, serán re-sincronizados
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>No se ha podido restablecer el estado de la carpeta</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Se ha encontrado un antiguo registro de sincronización &apos;%1&apos;; pero no se ha podido eliminar. Por favor, asegúrese de que ninguna aplicación la esté utilizando.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(copia de seguridad)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(copia de seguridad %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Estado no definido.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Esperando para comenzar la sincronización.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Preparándose para sincronizar.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Sincronización en funcionamiento.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>La sincronización se ha realizado.  pero hay conflictos sin resolver.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>La última sincronización se ha realizado con éxito.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Error de configuración.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Interrumpido por el usuario.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>La sincronización está en pausa.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Sincronización en pausa)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>¡La carpeta seleccionada no es válida!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>La ruta seleccionada no existe!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>¡La ruta seleccionada no es un directorio!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>¡Usted no tiene permiso para escribir en la carpeta seleccionada!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Ya existe una tarea de sincronización entre el servidor y esta carpeta. Por favor elija otra carpeta local.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>El directorio local %1 ya contiene un directorio usado en una conexión de sincronización de directorios. Por favor, elija otro.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>El directorio local %1 está dentro de un directorio usado en una conexión de sincronización de directorios. Por favor, elija otro.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ Si ha sido un accidente, y decide mantener los archivos, serán re-sincronizados
         <translation>Error mientras se cargaba la lista de carpetas desde el servidor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>El soporte al archivo virtual está activado.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Cerrar sesión</translation>
     </message>
@@ -1320,112 +1327,112 @@ Si ha sido un accidente, y decide mantener los archivos, serán re-sincronizados
         <translation>Hay conflictos sin resolver. Haz click para mas detalles.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Buscando cambios en &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Buscando cambios en local &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Reconciliando cambios</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Sincronizando %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>descargando: %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>cargar %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 de %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 restantes, %1 de %2, archivo %3 de %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 de %2, archivo %3 de %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>archivo %1 de %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Esperando...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Esperando por %n carpeta...</numerusform><numerusform>Esperando por %n otras carpetas...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Preparando para sincronizar...</translation>
     </message>
diff --git a/translations/client_fr.ts b/translations/client_fr.ts
index 4cac3b988..089fb72b6 100644
--- a/translations/client_fr.ts
+++ b/translations/client_fr.ts
@@ -1148,120 +1148,127 @@ S&apos;il s&apos;agissait d&apos;un accident et que vous choisissiez de conserve
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Impossible de réinitialiser l&apos;état du dossier</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Un ancien fichier journal &apos;%1&apos; a été trouvé, mais ne peut être supprimé. Veuillez vous assurer qu’aucune application ne l&apos;utilise en ce moment.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(sauvegarde)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(sauvegarde %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Statut indéfini.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>En attente de synchronisation.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Préparation de la synchronisation.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Synchronisation en cours</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Synchronisation réussie, conflits non résolus.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Synchronisation terminée avec succès</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Erreur d&apos;installation.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Abandon par l&apos;utilisateur.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>La synchronisation est en pause.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Synchronisation en pause)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Aucun dossier valable sélectionné !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Le chemin sélectionné n’existe pas !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Le chemin sélectionné n&apos;est pas un dossier !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Vous n&apos;avez pas la permission d&apos;écrire dans le dossier sélectionné !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Il y a déjà une synchronisation depuis le serveur vers ce dossier local. Merci de choisir un autre dossier local !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Le dossier local %1 contient un dossier déjà utilisé pour une synchronisation de dossiers. Veuillez en choisir un autre !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Le dossier local %1 se trouve dans un dossier déjà configuré pour une synchronisation de dossier. Veuillez en choisir un autre !</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1301,12 +1308,12 @@ S&apos;il s&apos;agissait d&apos;un accident et que vous choisissiez de conserve
         <translation>Une erreur est survenue lors du chargement de la liste des dossiers depuis le serveur.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Le support des fichiers virtuels est activé.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Session fermée</translation>
     </message>
@@ -1321,112 +1328,112 @@ S&apos;il s&apos;agissait d&apos;un accident et que vous choisissiez de conserve
         <translation>Il y a des conflits non résolus. Cliquez pour plus de détails.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Vérification des changements distants &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Vérification des changements locaux &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Rapprochement des modifications</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Synchronisation de %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>réception %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>envoi %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 sur %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 restantes, %1 sur %2, fichier %3 sur %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 sur %2, fichier %3 sur %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>fichier %1 sur %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>En attente ...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>En attente de %n autre(s) dossier(s)</numerusform><numerusform>En attente de %n autre(s) dossier(s)</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Préparation à la synchronisation</translation>
     </message>
diff --git a/translations/client_gl.ts b/translations/client_gl.ts
index adcdce45a..de8fdb08f 100644
--- a/translations/client_gl.ts
+++ b/translations/client_gl.ts
@@ -1148,120 +1148,127 @@ Se fose un accidente e decide manter os seus ficheiros, volverán ser sincroniza
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Non foi posíbel restabelecer o estado do cartafol</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Atopouse un diario de sincronización antigo en «%1» máis non pode ser retirado. Asegúrese de que non o está a usar ningunha aplicación.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(copia de seguridade)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(copia de seguridade %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Estado sen definir.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Agardando para iniciar a sincronización.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Preparando para sincronizar.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Estase sincronizando.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>A sincronización foi stifactoria, hai conflitos sen resolver.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>A última sincronización fíxose correctamente.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Erro de configuración.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Interrompido polo usuario.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Sincronización en pausa.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (sincronización en pausa)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Non seleccionou ningún cartafol correcto!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>A ruta seleccionada non existe!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>A ruta seleccionada non é un cartafol!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Vostede non ten permiso para escribir neste cartafol!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Xa existe unha tarefa de sincronización entre o servidor e este cartafol. Escolla outro cartafol local!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>O cartafol local %1 xa contén un cartafol usado nunha conexión de sincronización de cartafoles. Escolla outro!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>O cartafol local %1 está dentro dun cartafol usado nunha conexión de sincronización de cartafoles. Escolla outro!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1301,12 +1308,12 @@ Se fose un accidente e decide manter os seus ficheiros, volverán ser sincroniza
         <translation>Produciuse un erro ao cargar a lista de cartafoles dende o servidor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Está activada a compatibilidade con ficheiro virtual.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Desconectado</translation>
     </message>
@@ -1321,112 +1328,112 @@ Se fose un accidente e decide manter os seus ficheiros, volverán ser sincroniza
         <translation>Hai conflitos sen resolver. Prema para obter máis detalles.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Comprobando os cambios no cartafol remoto «%1»</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Comprobando os cambios no cartafol local «%1»</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Reconciliando os cambios</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, «%1»</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>«%1»</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Sincronizando %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>descargar %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>enviar %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 de %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>Restan %5, %1 de %2, ficheiro %3 de %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 de %2, ficheiro %3 de %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>ficheiro %1 de %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Agardando...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Agardando por outro cartafol...</numerusform><numerusform>Agardando por outros %n cartafoles...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Preparando para sincronizar...</translation>
     </message>
diff --git a/translations/client_he.ts b/translations/client_he.ts
index 1b5ca73e7..e277fc85f 100644
--- a/translations/client_he.ts
+++ b/translations/client_he.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>לא ניתן לאפס את מצב התיקייה</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>יומן סנכרון ישן &apos;%1&apos; אותר, אך לא ניתן להסירו. יש לוודא שאף יישום לא משתמש בו כרגע.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (גיבוי)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (גיבוי %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>מצב בלתי מוגדר.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>ממתין להתחלת סנכרון.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>מכין סנכרון.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>הסנכרון פועל כרגע.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>הסנכרון עבר בהצלחה, קיימים קונפליקטים שלו יושרו.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>הסנכרון האחרון הושלם בהצלחה.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>שגיאת התקנה.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>משתמש ביטל פעולה.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>סנכרון בהשהייה.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (סנכרון בהשהייה)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>לא נבחרה תיקייה חוקית!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>הנתיב הנבחר אינו קיים!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>הנתיב שנבחר אינו תיקייה!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>אין לך הרשאות לכתיבה לתיקייה הנבחרת!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>כבר קיים סנכרון בין השרת לתיקייה המקומית. יש לבחור תיקייה מקומית אחרת!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>התיקייה המקומית %1 כבר מכילה תיקייה המשמשת לחיבור סנכרון תיקייה. יש לבחור תיקייה אחרת!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>התיקייה המקומית %1 כבר מכילה תיקייה המשמשת לחיבור סנכרון תיקייה. יש לבחור תיקייה אחרת!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>שגיאה בזמן טעינת רשימת התיקיות מהשרת.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>הופעלה תמיכה בקובץ וירטואלי.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>יציאה</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>קיימות סתירות לא פתורות. ניתן ללחוץ לפרטים.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>בודק לשינויים ב- &apos;%1&apos; מרוחק</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>בודק לשינויים ב- &apos;%1&apos; מקומי</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>מסדיר שינויים</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>מסנכרן %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>,</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>בהורדה %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>בהעלאה %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 מתוך %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 נשארו, %1 מתוך %2, קובץ %3 מתוך %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 מתוך %2, קובץ %3 מתוך %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>קובץ %1 מתוך %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>המתנה...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>ממתין ל- %n תיקייה אחרת...</numerusform><numerusform>ממתין ל- %n תיקיות אחרות...</numerusform><numerusform>ממתין ל- %n תיקיות אחרות...</numerusform><numerusform>ממתין ל- %n תיקיות אחרות...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>מכין סנכרון...</translation>
     </message>
diff --git a/translations/client_it.ts b/translations/client_it.ts
index 88c927e7f..3a608eda8 100644
--- a/translations/client_it.ts
+++ b/translations/client_it.ts
@@ -1148,120 +1148,127 @@ Se è stato un errore e decidi di mantenere i tuoi file, verranno risincronizzat
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Impossibile ripristinare lo stato della cartella</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>È stato trovato un vecchio registro di sincronizzazione &apos;%1&apos;, ma non può essere rimosso. Assicurati che nessuna applicazione lo stia utilizzando.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(copia di sicurezza)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(copia di sicurezza %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Stato non definito.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>In attesa di iniziare la sincronizzazione.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Preparazione della sincronizzazione.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>La sincronizzazione è in corso.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>La sincronia ha avuto successo, nessun conflitto.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>L&apos;ultima sincronizzazione è stata completata correttamente.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Errore di configurazione.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Interrotto dall&apos;utente.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>La sincronizzazione è sospesa.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation> %1 (La sincronizzazione è sospesa)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Nessuna cartella valida selezionata!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Il percorso selezionato non esiste!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Il percorso selezionato non è una cartella!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Non hai i permessi di scrittura per la cartella selezionata!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Esiste già una sincronizzazione dal server a questa cartella locale. Seleziona un&apos;altra cartella locale!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>La cartella locale %1 contiene già una cartella utilizzata in una connessione di sincronizzazione delle cartelle. Selezionane un&apos;altra!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>La cartella locale %1 è già contenuta in una cartella utilizzata in una connessione di sincronizzazione delle cartelle. Selezionane un&apos;altra!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1301,12 +1308,12 @@ Se è stato un errore e decidi di mantenere i tuoi file, verranno risincronizzat
         <translation>Errore durante il caricamento dell&apos;elenco delle cartelle dal server.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Il supporto per file virtuali è abilitato.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Disconnesso</translation>
     </message>
@@ -1321,112 +1328,112 @@ Se è stato un errore e decidi di mantenere i tuoi file, verranno risincronizzat
         <translation>Ci sono conflitti irrisolti. Clicca per ulteriori dettagli. </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Controllo per cambiamenti in &apos;%1&apos; remoto</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Controllo cambiamenti in  &apos;%1 &apos; locale</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Riconciliazione dei cambiamenti</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Sincronizzazione di %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>ricezione %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>invio %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 di %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 rimanenti, %1 di %2, file %3 di %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 di %2, file %3 di %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>file %1 di %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Attendere...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>In attesa di %n altra cartella...</numerusform><numerusform>In attesa di %n altre cartelle...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Preparazione della sincronizzazione...</translation>
     </message>
diff --git a/translations/client_nl.ts b/translations/client_nl.ts
index dee6807a9..2b09746fb 100644
--- a/translations/client_nl.ts
+++ b/translations/client_nl.ts
@@ -1146,120 +1146,127 @@ Als dit een ongelukje was en u de bestanden wilt behouden, worden ze opnieuw ges
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Kan de beginstaat van de map niet terugzetten</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Een oud synchronisatieverslag  &apos;%1&apos; is gevonden maar kan niet worden verwijderd. Zorg ervoor dat geen applicatie dit bestand gebruikt.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(backup)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(backup %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Ongedefiniëerde staat</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>In afwachting van synchronisatie.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Synchronisatie wordt voorbereid</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Bezig met synchroniseren.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Synchronisatie was succesvol, onopgeloste conflicten.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Laatste synchronisatie was geslaagd.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Installatiefout.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Afgebroken door gebruiker.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Synchronisatie gepauzeerd.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Synchronisatie onderbroken)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Geen geldige map geselecteerd!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Het geselecteerde pad bestaat niet!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Het geselecteerde pad is geen map!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>U heeft geen permissie om te schrijven naar de geselecteerde map!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Er wordt vanaf de server al naar deze lokale map gesynchroniseerd. Kies een andere lokale map!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Lokale map %1 bevat al een map die wordt gebruikt voor een map-synchronisatie verbinding. Kies een andere!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Lokale map %1 zit al in een map die wordt gebruikt voor een map-synchronisatie verbinding. Kies een andere!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ Als dit een ongelukje was en u de bestanden wilt behouden, worden ze opnieuw ges
         <translation>Fout bij ophalen mappenlijst van de server.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Ondersteuning voor virtuele bestanden zijn ingeschakeld.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Afgemeld</translation>
     </message>
@@ -1320,112 +1327,112 @@ Als dit een ongelukje was en u de bestanden wilt behouden, worden ze opnieuw ges
         <translation>Er zijn onopgeloste conflicten. Klik voor details.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Aan het controleren op wijzigingen in afstandelijke locatie &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Aan het controleren op veranderingen in lokale &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Wijzigingen doorvoeren</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Synchroniseren %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>download %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>upload %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 van %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 over, %1 van %2, bestand %3 van %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 van %2, bestand %3 van %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>bestand %1 van %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Aan het wachten...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Wacht op %n andere map...</numerusform><numerusform>Wacht op %n andere mappen...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Voorbereiden op sync...</translation>
     </message>
diff --git a/translations/client_pl.ts b/translations/client_pl.ts
index 34ce65da7..c8faaa42b 100644
--- a/translations/client_pl.ts
+++ b/translations/client_pl.ts
@@ -1146,120 +1146,127 @@ Jeśli to był wypadek i zdecydujesz się zatrzymać pliki, zostaną one zsynchr
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Nie udało się zresetować stanu folderu</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Stary sync journal &apos;%1&apos; został znaleziony, lecz nie mógł być usunięty. Proszę się upewnić, że żaden program go obecnie nie używa.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(kopia zapasowa)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(kopia zapasowa %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Niezdefiniowany stan</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Poczekaj na rozpoczęcie synchronizacji.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Przygotowuję do synchronizacji</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Synchronizacja w toku</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Synchronizacja udana, nierozwiązane konflikty.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Ostatnia synchronizacja zakończona powodzeniem.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Błąd ustawień.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Użytkownik anulował.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Synchronizacja wstrzymana</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation> %1 (Synchronizacja jest zatrzymana)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Nie wybrano poprawnego folderu.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Wybrana ścieżka nie istnieje!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Wybrana ścieżka nie jest katalogiem!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Nie masz uprawnień, aby zapisywać w tym  katalogu!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Istnieje już synchronizacja z serwera do tego lokalnego folderu. Proszę wybrać inny folder lokalny!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Lokalny folder %1 już zawiera folder użyty na potrzeby synchronizacji. Proszę wybrać inny folder lokalny.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Lokalny folder %1 już zawiera folder użyty na potrzeby synchronizacji. Proszę wybrać inny folder lokalny.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1299,12 +1306,12 @@ Jeśli to był wypadek i zdecydujesz się zatrzymać pliki, zostaną one zsynchr
         <translation>Wystąpił błąd podczas pobierania listy folderów z serwera.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Obsługa plików wirtualnych jest włączona.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Odłączony</translation>
     </message>
@@ -1319,112 +1326,112 @@ Jeśli to był wypadek i zdecydujesz się zatrzymać pliki, zostaną one zsynchr
         <translation>Istnieją nierozwiązane konflikty. Kliknij aby poznać szczegóły.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Sprawdzanie zmian w lokalizacji zdalnej &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Sprawdzanie zmian w lokalizacji lokalnej &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Uzgodnienie zmian</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Synchronizowanie %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>pobieranie %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>wysyłanie %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 z %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>Plik %3 z %4, pozostało czasu %5 (%1 z %2)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 z %2, plik %3 z %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>plik %1 z %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Czekaj...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Oczekiwanie na %n inny folder...</numerusform><numerusform>Oczekiwanie na %n inne foldery...</numerusform><numerusform>Oczekiwanie na %n innych folderów...</numerusform><numerusform>Oczekiwanie na %n innych folderów...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Przygotowanie do synchronizacji ...</translation>
     </message>
diff --git a/translations/client_pt_BR.ts b/translations/client_pt_BR.ts
index 63f6ed3bf..37e95bd89 100644
--- a/translations/client_pt_BR.ts
+++ b/translations/client_pt_BR.ts
@@ -1146,120 +1146,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Não foi possível redefinir o estado da pasta</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Uma velha revista de sincronização &apos;%1&apos; foi encontrada, mas não pôde ser removida. Por favor, certifique-se de que nenhuma aplicação está a usá-la.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (backup)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (backup %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Estado indefinido.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>À espera do início da sincronização.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Preparando para sincronização.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>A sincronização está ocorrendo.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>A sincronização foi bem-sucedida, conflitos não resolvidos.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>A última sincronização foi feita com sucesso.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Erro de Configuração.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Usuário Abortou.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Sincronização pausada.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Pausa na Sincronização) </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Nenhuma pasta válida selecionada!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation>A pasta %1 é usada em uma conexão de sincronização de pasta!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>O caminho selecionado não existe!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>O caminho selecionado não é uma pasta!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Voce não tem permissão para escrita na pasta selecionada!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Já existe uma sincronização do servidor para esta pasta local. Por favor, escolha uma outra pasta local!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>A pasta local %1 já contém uma pasta utilizada numa ligação de sincronização de pasta. Por favor, escolha outra!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>A pasta local %1 já está contida em uma pasta usada em uma conexão de sincronização de pastas. Por favor, escolha outra!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation>%1 Por favor, escolha outro!</translation>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1299,12 +1306,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Erro enquanto carregava a lista de pastas do servidor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>O suporte a arquivos virtuais está ativado.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Desconectado</translation>
     </message>
@@ -1319,112 +1326,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Existem conflitos não resolvidos. Clique para detalhes.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Verificando alterações remotamente &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Verificação de alterações no local &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Reconciliando mudanças</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Sincronizando %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>,</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>baixar %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>enviar %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation>Pasta local: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 de %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%5 restando, %1 de %2, arquivo %3 de %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 de%2, arquivo %3 de %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>arquivo %1 de %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Esperando...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Esperando por %n outra pasta...</numerusform><numerusform>Esperando por %n outras pastas...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Preparando para sincronizar...</translation>
     </message>
diff --git a/translations/client_ru.ts b/translations/client_ru.ts
index 407332450..97e31c81d 100644
--- a/translations/client_ru.ts
+++ b/translations/client_ru.ts
@@ -1148,120 +1148,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Невозможно сбросить состояние каталога</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Найден старый журнал синхронизации &apos;%1&apos;, и он не может быть удалён. Убедитесь что он не открыт в другом приложении.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(резервная копия)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(резервная копия %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Неопределенное состояние.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Ожидание запуска синхронизации.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Подготовка к синхронизации.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Идет синхронизация.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Синхронизация успешна, есть неразрешённые конфликты.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Последняя синхронизация прошла успешно.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Ошибка установки.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Отмена пользователем.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Синхронизация приостановлена.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%! (синхронизация приостановлена)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Не выбран валидный каталог!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation>Каталог %1 используется в соединении синхронизации каталогов!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Выбранный путь не существует!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Выбранный путь не является каталогом!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>У вас недостаточно прав для записи в выбранный каталог!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Уже есть синхронизация с сервера в этот локальный каталог. Пожалуйста, выберите другой локальный каталог!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Локальная директория %1 уже содержит папку, которая используется для синхронизации. Пожалуйста выберите другую!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Локальная директория %1 уже содержит директорию, которая используется для синхронизации. Пожалуйста выберите другую!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation>%1 Пожалуйста, сделайте другой выбор!</translation>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1301,12 +1308,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Ошибка загрузки списка папок с сервера.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Поддержка виртуальных файлов включена.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Вышли из аккаунта</translation>
     </message>
@@ -1321,112 +1328,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>Есть неразрешенные конфликты. Нажми для просмотра подробностей.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Проверяю измененеия в удалённом &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Проверяю изменения в локальном &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Согласование изменений</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Синхронизация %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>,</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>скачивание %1/с</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/с</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/с</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>загрузка %1/с</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation>Локальный каталог: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 из %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>Осталось %5, %1 из %2, файл %3 из %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 из %2, файл %3 из %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>файл %1 из %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Ожидание...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Ожидание %n директории...</numerusform><numerusform>Ожидание %n директорий...</numerusform><numerusform>Ожидание %n директорий...</numerusform><numerusform>Ожидание %n директорий...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Подготовка к синхронизации...</translation>
     </message>
diff --git a/translations/client_sq.ts b/translations/client_sq.ts
index 96b421268..c32259d6b 100644
--- a/translations/client_sq.ts
+++ b/translations/client_sq.ts
@@ -1148,120 +1148,127 @@ Nëse ky qe aksident dhe vendosni t’i mbani kartelat tuaja, ato do të rinjëk
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Gjendja e dosjes s’u ricaktua dot</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>U gjet një regjistër i vjetër njëkohësimesh &apos;%1&apos;, por s’u hoq dot. Ju lutemi, sigurohuni që s’po e përdor ndonjë aplikacion.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (kopjeruajtje)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (kopjeruajtja %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Gjendje e Papërkufizuar.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Po pritet të fillohet njëkohësimi.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Po përgatitet për njëkohësim.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Njëkohësimi po kryhet.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Njëkohësimi qe i suksesshëm, ka përplasje të pazgjidhura.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Njëkohësimi i Fundit qe i suksesshëm.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Gabim te Rregullimet.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Ndërprerje Nga Përdoruesi.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Njëkohësimi është ndalur.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Njëkohësimi është ndalur)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>S’është përzgjedhur dosje e vlefshme!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation>Dosja %1 është e përdorur në një lidhje njëkohësimi dosjesh!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Shtegu i përzgjedhur s’ekziston!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Shtegu i përzgjedhur s’ka dosje!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>S’keni leje për shkrim te dosja e përzgjedhur!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Ka tashmë një njëkohësim prej shërbyesi te kjo dosje vendore. Ju lutemi, përzgjidhni një tjetër dosje vendore!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Dosja vendore %1 përmban tashmë një dosje të përdorur në një lidhje njëkohësimi dosjeje. Ju lutemi, zgjidhni një tjetër!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>Dosja vendore %1 përmbahet tashmë në një dosje të përdorur një lidhje njëkohësimi dosjeje. Ju lutemi, zgjidhni një tjetër!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation>%1 Ju lutemi, zgjidhni një tjetër!</translation>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1301,12 +1308,12 @@ Nëse ky qe aksident dhe vendosni t’i mbani kartelat tuaja, ato do të rinjëk
         <translation>Gabim gjatë ngarkimit të listës së dosjeve prej shërbyesit.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Mbulimi i kartelave virtuale është i aktivizuar.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Dolët</translation>
     </message>
@@ -1321,112 +1328,112 @@ Nëse ky qe aksident dhe vendosni t’i mbani kartelat tuaja, ato do të rinjëk
         <translation>Ka përplasje të pazgjidhura. Klikoni për hollës.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Po kërkohet për ndryshime te shërbyesi i largët &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Po kërkohet për ndryshime te shërbyesi vendor &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Po pajtohen ndryshimet mes tyre</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>Po njëkohësohet %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>shkarko %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>ngarko %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation>Dosje vendore: %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 nga %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>edhe %5, %1 nga %2, kartela %3 nga %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 nga %2, kartela %3 nga %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>kartela %1 nga %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Po pritet…</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Po pritet për %n dosje tjetër…</numerusform><numerusform>Po pritet për %n dosje të tjera…</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Po përgatitet për njëkohësim…</translation>
     </message>
diff --git a/translations/client_th.ts b/translations/client_th.ts
index 245f12125..8343a8e4d 100644
--- a/translations/client_th.ts
+++ b/translations/client_th.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>ไม่สามารถรีเซ็ตสถานะโฟลเดอร์</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>บนบันทึกการประสานข้อมูลเก่า &apos;%1&apos; แต่ไม่สามารถลบออกได้ กรุณาตรวจสอบให้แน่ใจว่าไม่มีแอปฯ หรือการทำงานใดๆที่ใช้มันอยู่</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>(สำรองข้อมูล)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(สำรองข้อมูล %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>สถานะที่ยังไม่ได้ถูกกำหนด</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>กำลังรอเริ่มต้นการประสานข้อมูล</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>กำลังเตรียมการประสานข้อมูล</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>การประสานข้อมูลกำลังทำงาน</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>ประสานข้อมูลสำเร็จแต่ยังมีข้อขัดแย้งที่ยังไม่ได้รับการแก้ไข</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>ประสานข้อมูลครั้งล่าสุดเสร็จเรียบร้อยแล้ว</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>เกิดข้อผิดพลาดในการติดตั้ง</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>ยกเลิกผู้ใช้</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>การประสานข้อมูลถูกหยุดไว้ชั่วคราว</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (การประสานข้อมูลถูกหยุดชั่วคราว)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>เลือกโฟลเดอร์ไม่ถูกต้อง!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>เส้นทางที่เลือกไม่มีอยู่!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>เส้นทางที่เลือกไม่ใช่โฟลเดอร์!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>คุณมีสิทธิ์เขียนโฟลเดอร์ที่เลือกนี้!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>โฟลเดอร์นี้ได้ถูกประสานข้อมูลกับเซิร์ฟเวอร์แล้ว โปรดเลือกโฟลเดอร์อื่น ๆ</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>เนื้อหาโฟลเดอร์ในเครื่อง %1 ได้ถูกใช้ไปแล้วในโฟลเดอร์ที่ประสานข้อมูล กรุณาเลือกอีกอันหนึ่ง!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>เนื้อหาของโฟลเดอร์ในเครื่อง %1 ไดถูกใช้ไปแล้วในโฟลเดอร์ที่ประสานข้อมูล กรุณาเลือกอีกอันหนึ่ง!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>ข้อผิดพลาดในขณะที่โหลดรายชื่อโฟลเดอร์จากเซิร์ฟเวอร์</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>เปิดใช้งานการรองรับไฟล์เสมือนแล้ว</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>ออกจากระบบ</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>มีข้อขัดแย้งที่ยังไม่ได้รับการแก้ไข คลิกเพื่อดูรายละเอียด</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>กำลังตรวจหาการเปลี่ยนแปลงในรีโมต &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>กำลังตรวจหาการเปลี่ยนแปลงในเครื่อง &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>คืนค่าการเปลี่ยนแปลง</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>กำลังประสานข้อมูล %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>หรือ</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>ดาวน์โหลด %1/วินาที</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/วินาที</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>อัปโหลด %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 ของ %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>เหลืออีก %5 ไฟล์, %1 ไฟล์จาก %2, %3 ไฟล์จาก %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 จาก %2, %3 จาก %4 ไฟล์</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>ไฟล์ %1 จาก %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>กรุณารอซักครู่...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>กำลังรออีก (%n) โฟลเดอร์...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>กำลังเตรียมพร้อมในการประสานข้อมูล</translation>
     </message>
diff --git a/translations/client_tr.ts b/translations/client_tr.ts
index 64f7620f2..5d8b0850a 100644
--- a/translations/client_tr.ts
+++ b/translations/client_tr.ts
@@ -1147,120 +1147,127 @@ Eğer istenmeden bu durum gerçekleştiyse ve dosyaları tutmak istiyorsanız, d
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>Klasör durumu sıfırılanamadı</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>Eski eşitleme günlüğü &apos;%1&apos; bulundu ancak kaldırılamadı. Başka bir uygulama tarafından kullanılmadığından emin olun.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (yedek)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (yedek %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>Tanımlanmamış Durum.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>Eşitlemenin başlanması bekleniyor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>Eşitleme için hazırlanıyor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>Eşitleme çalışıyor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>Senkronizasyon başarılıydı, çözüm gerektiren eşleşmeler var.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>Son Eşitleme başarılı oldu.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>Kurulum Hatası.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>Kullanıcı İptal Etti.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>Eşitleme duraklatıldı.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (Eşitleme duraklatıldı)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>Geçerli klasör seçilmedi!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>Seçilen dosya yolu mevcut değil!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>Seçilen yol bir klasör değil!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>Seçilen klasöre yazma izniniz yok!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>Yerel klasörde bir sunucu senkronizasyonu zaten mevcut. Lütfen başka bir yerel klasör seçin!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>%1 yerel klasörü zaten bir eşitleme klasörü içermektedir. Lütfen farklı bir seçim yapın!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>%1 yerel klasörü zaten bir eşitleme klasörü içindedir. Lütfen farklı bir seçim yapın!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ Eğer istenmeden bu durum gerçekleştiyse ve dosyaları tutmak istiyorsanız, d
         <translation>Sunucudan klasörlerin listesi yüklenirken hata oluştu.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>Sanal dosya sistemi desteği etkinleştirildi.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>Oturum sonlandırıldı</translation>
     </message>
@@ -1320,112 +1327,112 @@ Eğer istenmeden bu durum gerçekleştiyse ve dosyaları tutmak istiyorsanız, d
         <translation>Çözüm gereken eşleşmeler var. Detaylar için tıklayın.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>Uzaktaki &apos;%1&apos; için değişiklikler kontrol ediliyor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>Yereldeki &apos;%1&apos; için değişiklikler kontrol ediliyor.</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>Değişikliklerin bağlama kavuşturulması</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>%1 eşitleniyor</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>indirme %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/sn</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/sn</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>gönderme %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3/%4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>Kalan %5, %1/%2, dosya %3/%4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1/%2, %3/%4 dosya</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>dosya %1/%2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>Bekleniyor...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>Diğer %n klasör bekleniyor...</numerusform><numerusform>Diğer %n klasör bekleniyor...</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>Eşitleme için hazırlanıyor...</translation>
     </message>
diff --git a/translations/client_zh_CN.ts b/translations/client_zh_CN.ts
index 222442998..1a7c952ed 100644
--- a/translations/client_zh_CN.ts
+++ b/translations/client_zh_CN.ts
@@ -1139,120 +1139,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>不能重置文件夹状态</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>一个旧的同步日志 &apos;%1&apos; 被找到，但是不能被移除。请确定没有应用程序正在使用它。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation> (备份)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation> (备份 %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>未知状态。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>等待启动同步。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>准备同步。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>同步正在运行。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>同步成功，但有未解决的冲突。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>最后一次同步成功。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>安装失败</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>用户撤销。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>同步已暂停。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (同步已暂停)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>没有选择有效的文件夹！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>您选择的目录不存在！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>选择的路径不是一个文件夹！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>你没有写入所选文件夹的权限！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>已经有一个从服务器到此文件夹的同步设置。请选择其他本地文件夹！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>本地文件夹 %1 包含有正在使用的同步文件夹，请选择另一个！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>本地文件夹 %1 是正在使用的同步文件夹，请选择另一个！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1292,12 +1299,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>载入文件夹列表时发生错误。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>虚拟文件功能已开启</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>已登出</translation>
     </message>
@@ -1312,112 +1319,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>有未解决的冲突。点击显示详细信息。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>检查远端文件  &apos;%1&apos; 的变动</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>检查本地文件  &apos;%1&apos; 的变动</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>调整变更</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>正在同步 %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>，</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>下载 %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/秒</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/秒</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>上传 %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 / %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>剩余: %5，%1 / %2, 文件数量 %3 / %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 of %2, file %3 of %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>第 %1 个文件，共 %2 个</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>请稍等...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>等待 %n 个其他文件(文件夹)</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>准备同步...</translation>
     </message>
diff --git a/translations/client_zh_TW.ts b/translations/client_zh_TW.ts
index 180d03c36..3b1b50a43 100644
--- a/translations/client_zh_TW.ts
+++ b/translations/client_zh_TW.ts
@@ -1147,120 +1147,127 @@ If this was an accident and you decide to keep your files, they will be re-synce
 <context>
     <name>OCC::FolderMan</name>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="397"/>
+        <location filename="../src/gui/folderman.cpp" line="405"/>
         <source>Could not reset folder state</source>
         <translation>無法重置資料夾狀態</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="398"/>
+        <location filename="../src/gui/folderman.cpp" line="406"/>
         <source>An old sync journal &apos;%1&apos; was found, but could not be removed. Please make sure that no application is currently using it.</source>
         <translation>發現較舊的同步處理日誌&apos;%1&apos;，但無法移除。請確認沒有應用程式正在使用它。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1178"/>
+        <location filename="../src/gui/folderman.cpp" line="1186"/>
         <source> (backup)</source>
         <translation>（備份）</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1183"/>
+        <location filename="../src/gui/folderman.cpp" line="1191"/>
         <source> (backup %1)</source>
         <translation>(備份 %1)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1285"/>
+        <location filename="../src/gui/folderman.cpp" line="1293"/>
         <source>Undefined State.</source>
         <translation>未知狀態</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1288"/>
+        <location filename="../src/gui/folderman.cpp" line="1296"/>
         <source>Waiting to start syncing.</source>
         <translation>正在等待同步開始</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1291"/>
+        <location filename="../src/gui/folderman.cpp" line="1299"/>
         <source>Preparing for sync.</source>
         <translation>正在準備同步。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1294"/>
+        <location filename="../src/gui/folderman.cpp" line="1302"/>
         <source>Sync is running.</source>
         <translation>同步執行中</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1299"/>
+        <location filename="../src/gui/folderman.cpp" line="1307"/>
         <source>Sync was successful, unresolved conflicts.</source>
         <translation>同步成功，未解決衝突。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1301"/>
+        <location filename="../src/gui/folderman.cpp" line="1309"/>
         <source>Last Sync was successful.</source>
         <translation>最後一次同步成功</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1307"/>
+        <location filename="../src/gui/folderman.cpp" line="1315"/>
         <source>Setup Error.</source>
         <translation>安裝失敗</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1310"/>
+        <location filename="../src/gui/folderman.cpp" line="1318"/>
         <source>User Abort.</source>
         <translation>使用者中斷。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1313"/>
+        <location filename="../src/gui/folderman.cpp" line="1321"/>
         <source>Sync is paused.</source>
         <translation>同步已暫停</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1319"/>
+        <location filename="../src/gui/folderman.cpp" line="1327"/>
         <source>%1 (Sync is paused)</source>
         <translation>%1 (同步暫停)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1327"/>
+        <location filename="../src/gui/folderman.cpp" line="1335"/>
         <source>No valid folder selected!</source>
         <translation>沒有選擇有效的資料夾</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1335"/>
+        <location filename="../src/gui/folderman.cpp" line="1343"/>
         <source>The folder %1 is used in a folder sync connection!</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1342"/>
+        <location filename="../src/gui/folderman.cpp" line="1350"/>
         <source>The selected path does not exist!</source>
         <translation>所選路徑不存在！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1346"/>
+        <location filename="../src/gui/folderman.cpp" line="1354"/>
         <source>The selected path is not a folder!</source>
         <translation>所選的路徑並非資料夾!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1350"/>
+        <location filename="../src/gui/folderman.cpp" line="1358"/>
         <source>You have no permission to write to the selected folder!</source>
         <translation>您沒有權限來寫入被選取的資料夾!</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1387"/>
+        <location filename="../src/gui/folderman.cpp" line="1395"/>
         <source>There is already a sync from the server to this local folder. Please pick another local folder!</source>
         <translation>從伺服器到此本地端目錄已經存在同步。 請選擇另一個本地端目錄！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1391"/>
+        <location filename="../src/gui/folderman.cpp" line="1399"/>
         <source>The local folder %1 already contains a folder used in a folder sync connection. Please pick another one!</source>
         <translation>本地資料夾 %1 裡已經有被資料夾同步功能使用的資料夾，請選擇其他資料夾！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1397"/>
+        <location filename="../src/gui/folderman.cpp" line="1405"/>
         <source>The local folder %1 is already contained in a folder used in a folder sync connection. Please pick another one!</source>
         <translation>本地資料夾 %1 是被包含在一個已經被資料夾同步功能使用的資料夾，請選擇其他資料夾！</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderman.cpp" line="1404"/>
+        <location filename="../src/gui/folderman.cpp" line="1412"/>
         <source>%1 Please pick another one!</source>
         <translation type="unfinished"/>
     </message>
+    <message>
+        <location filename="../src/gui/folderman.cpp" line="1488"/>
+        <source>Multiple accounts are sharing the folder %1.
+This configuration is know to lead to dataloss and is no longer supported.
+Please consider removing this folder from the account and adding it again.</source>
+        <translation type="unfinished"/>
+    </message>
 </context>
 <context>
     <name>OCC::FolderStatusDelegate</name>
@@ -1300,12 +1307,12 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>從伺服器端同步資料夾清單時發生錯誤。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="214"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="221"/>
         <source>Virtual file support is enabled.</source>
         <translation>虛擬檔案支持已啟用。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="234"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="241"/>
         <source>Signed out</source>
         <translation>已登出</translation>
     </message>
@@ -1320,112 +1327,112 @@ If this was an accident and you decide to keep your files, they will be re-synce
         <translation>有未解決的衝突。 點擊查看更多細節。</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="880"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="887"/>
         <source>Checking for changes in remote &apos;%1&apos;</source>
         <translation>檢查遠端&apos;％1&apos;中的更改</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="884"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
         <source>Checking for changes in local &apos;%1&apos;</source>
         <translation>檢查本地端&apos;％1&apos;中的更改</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="891"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="898"/>
         <source>Reconciling changes</source>
         <translation>協調變更</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="926"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="933"/>
         <source>, &apos;%1&apos;</source>
         <extracomment>Build a list of file names</extracomment>
         <translation>, &apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="929"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="936"/>
         <source>&apos;%1&apos;</source>
         <extracomment>Argument is a file name</extracomment>
         <translation>&apos;%1&apos;</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="953"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="960"/>
         <source>Syncing %1</source>
         <extracomment>Example text: &quot;Syncing 'foo.txt', 'bar.txt'&quot;</extracomment>
         <translation>同步 %1</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="955"/>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="962"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="973"/>
         <source>, </source>
         <translation>, </translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="959"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="966"/>
         <source>download %1/s</source>
         <extracomment>Example text: &quot;download 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>下載 %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="961"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="968"/>
         <source>↓ %1/s</source>
         <translation>↓ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="971"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="978"/>
         <source>↑ %1/s</source>
         <translation>↑ %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="969"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="976"/>
         <source>upload %1/s</source>
         <extracomment>Example text: &quot;upload 24Kb/s&quot; (%1 is replaced by 24Kb (translated))</extracomment>
         <translation>上傳 %1/s</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="259"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="266"/>
         <source>Local folder: %1</source>
         <translation type="unfinished"/>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="977"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="984"/>
         <source>%1 %2 (%3 of %4)</source>
         <extracomment>Example text: &quot;uploading foobar.png (2MB of 2MB)&quot;</extracomment>
         <translation>%1 %2 (%3 的 %4)</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="981"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="988"/>
         <source>%1 %2</source>
         <extracomment>Example text: &quot;uploading foobar.png&quot;</extracomment>
         <translation>%1 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="998"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1005"/>
         <source>%5 left, %1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;5 minutes left, 12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>還剩％5，％2的％1，％4檔案％3</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1006"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
         <source>%1 of %2, file %3 of %4</source>
         <extracomment>Example text: &quot;12 MB of 345 MB, file 6 of 7&quot;</extracomment>
         <translation>%1 的 %2, 檔案 %3 的 %4</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1013"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1020"/>
         <source>file %1 of %2</source>
         <translation>檔案 %1 的 %2</translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1059"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1066"/>
         <source>Waiting...</source>
         <translation>等待中...</translation>
     </message>
     <message numerus="yes">
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1061"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1068"/>
         <source>Waiting for %n other folder(s)...</source>
         <translation><numerusform>正在等候 %n 的資料夾(可能不只一個)</numerusform></translation>
     </message>
     <message>
-        <location filename="../src/gui/folderstatusmodel.cpp" line="1067"/>
+        <location filename="../src/gui/folderstatusmodel.cpp" line="1074"/>
         <source>Preparing to sync...</source>
         <translation>正在準備同步...</translation>
     </message>