[wix-users] Executing installed exe as a first action during Unintall

[Farrukh Waheed]

Using asyncNoWait so that installer should ignore the return code of exe
file. This is not an issue. Real issue is, installer actually un-installs
its dependency dlls before calling the exe. Exe itself through an error
dialog about its failure.

I might try to schedule this custom action Before=RemoveFiles.....



On 4 November 2015 at 21:14, Hoover, Jacob <Jacob.Hoover at greenheck.com>
wrote:

> asyncNoWait
>
> You are telling Windows Installer to not wait until that CA is done before
> continuing on.
>
> -----Original Message-----
> From: wix-users [mailto:wix-users-bounces at lists.wixtoolset.org] On Behalf
> Of Farrukh Waheed
> Sent: Tuesday, November 03, 2015 10:06 PM
> To: WiX Toolset Users Mailing List <wix-users at lists.wixtoolset.org>
> Subject: [wix-users] Executing installed exe as a first action during
> Unintall
>
> Hi
> In my msi, I have to call the installed exe file with some parameters, as
> a very first action of uninstall. Here is the code:
>
>     <CustomAction Id="UnRegisterOnUninstallApplication"
>   Execute="immediate"                  FileKey="MyProgram.exe"
> ExeCommand="/unregister"  Return="asyncNoWait" />
>      <InstallExecuteSequence>      <RemoveExistingProducts
> After="InstallInitialize"/>      <Custom
> Action="UnRegisterOnUninstallApplication"
> Before="UnpublishComponents" >Installed AND NOT
> UPGRADINGPRODUCTCODE</Custom>    </InstallExecuteSequence>
>
> Although, it is scheduled Before UnpublishComponents, but issue is, at
> some computers, custom action is called during or after dependency dlls are
> uninstalled and so MyProgram.exe crashes here.
> This is something seems unpredictable...
>
> Can anyone please guide, if I'm missing something or doing something
> wrong???
>
> Thanks a bunch.
>
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