[wix-users] [WIX]: UAC Prompt issue when InstallScope="perUser"

Griesshammer, Christoph (GE Healthcare) christoph.griesshammer at ge.com
Fri Sep 4 08:38:52 PDT 2015

When you have Impersonate="no" for your custom action, it does not request elevation. Set it to yes and you should see the prompt.


-----Original Message-----
From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf Of Dileep S
Sent: Friday, September 04, 2015 10:30 AM
To: WiX Toolset Users Mailing List
Subject: [wix-users] [WIX]: UAC Prompt issue when InstallScope="perUser"

Hi All,

I have created a sample C++ exe to write Registry Key in the following
HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion

I have packaged this "Sample.exe" using WIX script.

<Package InstallerVersion="200" Compressed="yes" InstallScope="perMachine"
InstallPrivileges="elevated" />

I have written custom action in *.WXS file as below:

<CustomAction Id="InstallDRV" Directory="INSTALLDIR" Execute="deferred"
ExeCommand="[$(var.RootDirID)]$(var.EXEFileName)" Impersonate="no"
Return="asyncNoWait" />

"Sample.exe" should write the registry key which was specified after extracting the MSI package.

After extracting the MSI package, "Sample.exe" launches and written a registry key in the below location not in the specified location:
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows NT\CurrentVersion\Windows

How to resolve this issue?

I have modified the InstallScope="perUser" as below <Package InstallerVersion="200" Compressed="yes" InstallScope="perUser"
InstallPrivileges="limited" />

But Issue is UAC prompt is not appearing.

How to display UAC prompt, when InstallScope="perUser"

Please help me to resolve this issue.

Thanks in advance.

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