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

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

I am running Windows 7 and just yesterday the following message was displayed and I can't log into Firefox:

  • 1 amsa
  • 1 yana da wannan matsala
  • 1 view
  • Amsa ta ƙarshe daga dynamite

capttms
capttms
more options

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.

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.

All Replies (1)

dynamite
dynamite
more options

This problem is caused when Firefox process does not exit even when you close the application. See if the solutions given in this article help: Firefox Hangs.