Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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

Problem reopening Firefox

  • 3 iimpendulo
  • 25 inale ngxaki
  • 8 views
  • Impendulo yokugqibela ngu cor-el

more options

When I try to reopen Firefox shortly after closing it I consistantly get an error message that reads "Firefox is already running, but is not responding. To open a new window you must first close existing the Firefox process or restart your system."

When I try to reopen Firefox shortly after closing it I consistantly get an error message that reads "Firefox is already running, but is not responding. To open a new window you must first close existing the Firefox process or restart your system."

All Replies (3)

more options

Isisombululo esiKhethiweyo

more options

Thanks that has fixed it

more options

You're welcome