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

Firefox claims that it is running

  • 1 resposta
  • 10 have this problem
  • 15 views
  • Last reply by TonyE

more options

When Firefox is started for the second time a message appears saying that Firefox is running and needs to be closed. This requires a reboot to clear. Operating systemWindows XP SP3. Firefox 3.6.12 This problem only appeared after updating.

When Firefox is started for the second time a message appears saying that Firefox is running and needs to be closed. This requires a reboot to clear. Operating systemWindows XP SP3. Firefox 3.6.12 This problem only appeared after updating.

All Replies (1)

more options

For the possible causes of that error see "Firefox is already running but is not responding" error - How to fix, in your case it appears that Firefox is not shutting down normally.