Hi all,
I ran into the strangest problem on a customer's machine today. He was
installing a new version (MAJOR upgrade) of our software which has the
authoring below. We set INSTALLDIR from UPGRADEDIR if a previous
version is installed (SetUpgradeInstallDir custom action) and make the
installation folder read-only (conditioned on UPGRADEDIR<>"") on the
[Admin]FolderForm to force the new version to be installed to the same
location.
On this particular customer's computer, UPGRADEDIR was set to some other
application (in fact a Canon software component). This would happen
even if I uninstalled the older version of my application and the Canon
software.
My first thought was that for some reason our UpgradeCode was the same
as the Canon software; though we should be able to have GUID collision
like that. But after downloading and examining the Canon software's
installer, it does not even appear to be Windows Installer based.
I am going to modify the conditions to also require
PREVIOUSVERSIONSINSTALLED to be non-NULL to determine that this is an
upgrade, but why would the RegistrySearch return some other
application's Uninstall key?
WiX version is 3.0. Installation target is Win7 64-bit.
Application/installer is 32-bit.
Thanks in advance for any insight you can provide.
Bill
<!-- Find previous installation folder for upgrade after uninstall
-->
<Property Id="UPGRADEDIR">
<RegistrySearch Id="FindInstallLocation"
Root="HKLM"
Key="Software\Microsoft\Windows\CurrentVersion\Uninstall\[PREVIOUSVERSIO
NSINSTALLED]"
Name="InstallLocation"
Type="raw" />
</Property>
<CustomAction Id="SetUpgradeInstallDir" Return="check"
Execute="oncePerProcess" Property="INSTALLDIR" Value="[UPGRADEDIR]"/>
<Upgrade Id="$(var.UpgradeCode)">
<UpgradeVersion Minimum="$(var.version)"
Property="NEWERPRODUCTFOUND" OnlyDetect="yes" IncludeMinimum="yes" />
<UpgradeVersion Minimum="1.0.0" Maximum="$(var.version)"
RemoveFeatures="ALL" Property="PREVIOUSVERSIONSINSTALLED"
IncludeMinimum="yes" />
</Upgrade>
<InstallExecuteSequence>
. . .
<Custom Action="SetARPInstallLocation"
Before="RegisterProduct">NOT Installed</Custom>
<AppSearch After="FindRelatedProducts"/>
<Custom Action="SetUpgradeInstallDir"
After="AppSearch"><![CDATA[UPGRADEDIR <> ""]]></Custom>
. . .
</InstallExecuteSequence>
<InstallUISequence>
<AppSearch After="FindRelatedProducts"/>
<Custom Action="ERRCA_UIANDADVERTISED"
Before="AppSearch"><![CDATA[ProductState=1]]></Custom>
<Custom Action="SetUpgradeInstallDir"
After="AppSearch"><![CDATA[UPGRADEDIR <> ""]]></Custom>
. . .
</InstallUISequence>
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