Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Søg i Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Læs mere

Firefox will not open. Unable to uninstall because message says Firefox is running. How do I turn it off?

  • 2 svar
  • 1 har dette problem
  • 80 visninger
  • Seneste svar af cor-el

I upgraded Firefox after upgrading to windows 8.1 now firefox will not open but when I try to uninstall the program I get a popup telling me to close firefox. The task manager says nothing is running. Help.

I upgraded Firefox after upgrading to windows 8.1 now firefox will not open but when I try to uninstall the program I get a popup telling me to close firefox. The task manager says nothing is running. Help.

Alle svar (2)

Try restart your computer then try unistall, then get the most recent version here:

Also:

Boot the computer in Windows Safe mode with network support (press F8 on the boot screen) as a test to see if that helps.