David, thanks for your interest in my issue. However, the full log is
close to 5 MB, and I wouldn't want to post that much data to a public
mailing list. Which sequences/actions would be of particular interest
to you?


2011/11/10 David Watson <dwat...@sdl.com>:
> Post the full log of the failed uninstall. It should explain why it not
> removing the ARP entry even if it's not obvious.
>
> ARP uninstall will always run a basic UI, this is expected.
>
>
>
> -----Original Message-----
> From: Simon Hoffmann [mailto:vol714poursyd...@googlemail.com]
> Sent: 10 November 2011 10:44
> To: wix-users@lists.sourceforge.net
> Subject: [WiX-users] Incomplete uninstall from ARP; works from full
> UI;possibly UAC-related
>
> I have a problem with uninstalling a WiX 3.5-authored setup.
>
> On Windows 7:
> - Uninstall product via the "Programs and Features" dialog via select
> the "Uninstall" option from either the toolbar above the list or from
> the context menu.
>
> Observations:
> - Uninstall runs with a reduced Windows Installer default UI, only
> showing a progress bar and an estimate
> - No UAC prompt is shown, even though UAC is enabled
> - The uninstall seems to complete successfully (the MSI log says as
> much), and all installed files are removed. However, some empty
> folders remain (a lesser issue), and the entry for the program is not
> removed from the list of installed programs (remains after refreshing
> using F5). Regedit shows that the respective Windows Installer
> registry keys for the product are still present.
>
> Now, an attempt to install the product again will fail, because
> Windows Installer probably assumes the product is still installed (log
> has UPGRADINGPRODUCTCODE set).
>
> Workaround:
> Either
> - Simply repeat the steps as described above. This time around, a UAC
> prompt is shown, and the entry is successfully removed from the list
> (and the keys from the registry).
> Or do not uninstall via ARP the "Uninstall" option at all, but:
> - Select "Change" instead of "Uninstall". Full setup UI is displayed
> (customized WixUI_Custom UI). Select the "Remove" option. Uninstall
> completes successfully.
>
> What is the difference between these two ways of uninstalling? REMOVE
> is ALL in all cases. Obviously, the repeated uninstall attempt has an
> "MSI_LUA: Credential Request return = 0x0" log entry the first one has
> not. Other than that, they both have:
>
> Line 64: MSI (s) (58:E0) [10:40:28:711]: MSI_LUA: Credential prompt is
> not required at this point, product is managed and deployment
> compliant
> Line 112: MSI (s) (58:E0) [10:40:28:727]: MSI_LUA: Setting AdminUser
> property to 1 because the product is already installed managed and
> per-machine
> Line 114: MSI (s) (58:E0) [10:40:28:727]: MSI_LUA: Setting
> MsiRunningElevated property to 1 because the install is already
> running elevated.
>
> Only the repeated attempt and the "Change" attempt via UI have
> "Executing op: ProductUnregister", the first does not.
>
> Any help would be greatly appreciated. I can provide log excerpts as needed.
>
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