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.

Avatar for Username

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

Ova tema je arhivirana. Pitajte drugo pitanje ako vam je potrebna pomoć.

why does Firefox give this message when I do not have another program running "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system."

  • 3 odgovori
  • 4 ima ovaj problem
  • 3 views
  • Posljednji odgovor poslao cor-el

raydag2011
raydag2011
more options

Question why does Firefox give this message when I do not have another program running or another window open - "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." edit

Question why does Firefox give this message when I do not have another program running or another window open - "Firefox is already running, but is not responding. To open a new window, you must first close the existing Firefox process, or restart your system." edit

All Replies (3)

scoobidiver
scoobidiver
more options

See "Firefox is already running but is not responding" error - How to fix.

scoobidiver
scoobidiver
more options

Some users reported it was caused by Java. Reinstalling Java has fixed their problem.

cor-el
cor-el
  • Moderator
  • Top 10 Contributor
more options

See also "Hang at exit":