We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search 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.

Learn More

i can not open firefox or uninstall it

  • 1 reply
  • 1 has this problem
  • 6 views
  • Last reply by Hasan

more options

When I try to open firefox it won't open, when I try to unistalo it, I get a prompt telling me I need to close firefox, even though the browser is not open.

When I try to open firefox it won't open, when I try to unistalo it, I get a prompt telling me I need to close firefox, even though the browser is not open.

All Replies (1)

more options

-> Open Task Manager -> Processes panel -> right-click firefox.exe and click End Process Tree -> Close Task Manager

-> Uninstalling Firefox

-> Installing Firefox on Windows

Check and tell if its working.

Modified by Hasan