[Mozilla Enterprise] Firefox ESR 60.6.0 x64 - Not Uninstalling Correctly?

[Canning, Charles]

We encountered the helper.exe returning error 2 which was new for us. This was with removal of either 60.6.1 or 60.6.3 and did not affect all installations.



From: Enterprise [mailto:enterprise-bounces at mozilla.org] On Behalf Of Matt Howell
Sent: Wednesday, July 3, 2019 9:57 AM
To: Éric Périard <Eric.Periard at ccirc-ccric.ca>
Cc: enterprise at mozilla.org
Subject: Re: [Mozilla Enterprise] Firefox ESR 60.6.0 x64 - Not Uninstalling Correctly?

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 <Eric.Periard at ccirc-ccric.ca<mailto:Eric.Periard at ccirc-ccric.ca>> 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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