I am working on automating some uninstalls of Firefox to push everyone to the latest and greatest ESR version for easier support. In doing so, I am having an extremely difficult time finding a good uninstall process for the computers on my domain. Let us assume we are working with 1 computer running a CMD locally to try and remove it. It needs to be silent, no UI. I am unable to get the uninstall to kick off silently using any of the following: "c:\Program files (x86)\Mozilla Firefox\uninstall\helper.exe" /x /qn "c:\Program files (x86)\Mozilla Firefox\uninstall\helper.exe" /x /q msiexec.exe /x /qn "c:\Program files (x86)\Mozilla Firefox\uninstall\helper.exe" /quiet In each case the uninstaller UI comes up and asks me to click "next" and then "finish". Does anyone have a suggestion to make this run silently? I did find a web page that suggested the best course of action to be to delete the files completely and it would leave the registry entries, throwing off audits unless i remove them with scripts. Any suggestions are welcome.