From 3d4663465ea1e528a299f1939237c31a4188775c Mon Sep 17 00:00:00 2001
From: Mikkel Krautz <mikkel@krautz.dk>
Date: Sat, 6 Jun 2015 13:25:23 +0200
Subject: installer: force uninstall before install.

In theory, the installer should already do this, but if we
aren't caferful with our component GUID'ing (or so the docs say),
it can break.

This method will force the uninstallation to happen before
installation.

This should fix the issue where stale files from old versions
are left behind.
---
 installer/Product.wxs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'installer')

diff --git a/installer/Product.wxs b/installer/Product.wxs
index 05746d5e7..a1d5b0257 100644
--- a/installer/Product.wxs
+++ b/installer/Product.wxs
@@ -32,7 +32,7 @@
       VersionNT > 501 OR (VersionNT = 501 AND ServicePackLevel >= 2) OR (VersionNT = 502 AND ServicePackLevel >= 1)
     </Condition>
 
-    <MajorUpgrade AllowDowngrades='no' AllowSameVersionUpgrades='yes' MigrateFeatures='yes' Schedule='afterInstallExecute' DowngradeErrorMessage='A later version of [ProductName] is already installed.' />
+    <MajorUpgrade AllowDowngrades='no' AllowSameVersionUpgrades='yes' MigrateFeatures='yes' Schedule='afterInstallValidate' DowngradeErrorMessage='A later version of [ProductName] is already installed.' />
 
     <Media Id="1" Cabinet="$(var.ProductName).cab" EmbedCab="yes" CompressionLevel="high" />
 
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