Have you checked for open file handles and registry access via the msiexec
logging? Probably not that but I'd check there first myself.

-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of John Daintree
Sent: 02 June 2008 11:15
To: General discussion for Windows Installer XML toolset.
Subject: [WiX-users] ARPSYSTEMCOMPONENT and permissions to uninstall

Hello all,

I've installed a package (as a regular user) on Vista. The install sets the 
ARPSYSTEMCOMPONENT property and has its permissions elevated at install time

(via a manifest in separate UI, setup.exe, and the stanard UAC dialog). The 
separate UI also installs two other packages that do NOT set 
ARPSYSTEMCOMPONENT.

Now, when I come to UNinstall the 1st package (which is done via 
"UninstallString" and the UI) I get the standard UAC elevation dialog, which

succeeds, and then I get a message box containing "You do not have 
sufficient access to uninstall ...". I don't understand this, I've elevated 
the process in exactly the same way that I did to install the package, so I 
figure I should be able to uninstall the same package. The 2 packages that 
do NOT have ARPSYSTEMCOMPONENT set, and do not use the custom UI uninstall 
fine.

So, how can I, as a regular user, get "sufficient access" to uninstall the 
package that I, as a regular user, installed?

Thanks in advance,

john



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