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 doesn't close, I have to close the process, this occurs frequently

  • 1 reply
  • 16 have this problem
  • 2 views
  • Last reply by Shawn

more options

About every fourth time I get the message 'firefox already running you must close this first' I then have to the task manager and close the firefox process it then behave normal for a while, I have disabled most of my add ons but with no effect

About every fourth time I get the message 'firefox already running you must close this first' I then have to the task manager and close the firefox process it then behave normal for a while, I have disabled most of my add ons but with no effect

All Replies (1)

more options

See the Hang at exit section of Firefox hangs or is not responding - How to fix

Insure your plug-ins are updated by going to the Plugin Check

"Fun Web Products" can be harmful to your computer. See PC Hell: Remove Fun web products

Modified by Shawn