That command line is definitely expected to work; technically -ms is
deprecated in favor of /S, but they're both supported equally and we have
no plan to actually remove -ms so that doesn't make any difference. So I
have a few questions to help us diagnose this, if you don't mind.

I don't fully understand your description of what's going wrong; is
helper.exe running and just hanging in the background forever, or not
starting at all, or something else?

I'm also curious about this uninstall.exe file that you mentioned; do you
mean that you have a file called "%ProgramFiles%\Mozilla
Firefox\uninstall\uninstall.exe"? I'm confused about that because we don't
distribute a file by that name in our official Firefox builds; all that
should be in that uninstall directory is helper.exe and a couple of log
files (the Maintenance Service uninstaller *is* normally called
Uninstall.exe though). Did the copy of Firefox you're using come from
Mozilla or from a third party, or can you think of something else that
might have dropped that file there?

Thanks,
-- Matt Howell

On Wed, Jul 3, 2019 at 7:28 AM Éric Périard <[email protected]>
wrote:

> *Classification: UNCLASSIFIED*
>
>
>
> Hello,
>
>
>
> I manage the software (SCCM) for  my domain and regularly update Firefox
> ESR, usually seamless…
>
>
>
> This is my uninstall script:
>
>
>
> *TASKKILL /F /IM       Firefox* /T*
>
>
>
> *IF EXIST "%ProgramFiles%\Mozilla Firefox" (*
>
> *                "%ProgramFiles%\Mozilla Firefox\uninstall\helper.exe" -ms*
>
> *                "%WinDir%\System32\timeout.exe" /T 10 /NOBREAK*
>
> *                RMDIR /S /Q "%ProgramFiles%\Mozilla Firefox"*
>
> *                DEL %Public%\Desktop\*Firefox*.lnk*
>
> *                RMDIR /S /Q "%ProgramData%\Microsoft\Windows\Start
> Menu\Programs\Mozilla Firefox"*
>
> *                REG DELETE /F HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla*
>
> *                REG DELETE /F HKEY_LOCAL_MACHINE\SOFTWARE\MozillaPlugins*
>
> *                REG DELETE /F HKEY_LOCAL_MACHINE\SOFTWARE\mozilla.org
> <http://mozilla.org>*
>
> *                REG DELETE /F
> HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Mozilla*
>
> *                REG DELETE /F
> HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\MozillaPlugins*
>
> *)*
>
>
>
> *IF EXIST "%ProgramFiles(x86)%\Mozilla Maintenance Service" (*
>
> *                "%ProgramFiles(x86)%\Mozilla Maintenance
> Service\Uninstall.exe" /S*
>
> *                "%WinDir%\System32\timeout.exe" /T 10 /NOBREAK*
>
> *                RMDIR /S /Q "%ProgramFiles(x86)%\Mozilla Maintenance
> Service"*
>
> *)*
>
>
>
> *"%WinDir%\System32\timeout.exe" /T 10 /NOBREAK*
>
> *EXIT /B*
>
>
>
> This usually works flawlessly, however it seems that with 60.6.0 the 
> *helper.exe
> *is unresponsive to the uninstall command, I also tried the *uninstall.exe
> *with the same switches in the same folder, no cigar.
>
>
>
> Has there been a reported issue with the uninstallation of the browser or
> is there a newer way to do this?
>
>
>
> Simply put, I usually uninstall the software client and then apply the
> update, however it stays stuck forever with the firefox uninstall phase.
>
>
>
>
>
> *Éric Périard*
>
> Laboratory Administrator *|* Administrateur du laboratoire
>
> Canadian Centre for Cyber Security | Centre canadien pour la cybersécurité
>
> Website | Site Web: https://www.cyber.gc.ca/
>
> Government of Canada *|* Gouvernement du Canada
>
>
> _______________________________________________
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