We're calling on all EU-based Mozillians with iOS or iPadOS devices to help us monitor Apple’s new browser choice screens. Join the effort to hold Big Tech to account!

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

This thread was archived. Please ask a new question if you need help.

AT CLOSING FIREFOX & REOPENING / GET A MSG SAY FIREFOX IS RUNNING & I SHOULD CLOSE IT OR RESTART MY PC / I CAN'T FIND IT RUNNING ANYWHERE. I HAVE GONE TO TASK MNGR / IT DOES NOT SHOW UP & RUNNING . PLEASE ADVISE I DO NOT WANT TO KEEP RESTARTING MY PC.

  • 1 reply
  • 16 have this problem
  • 6 views
  • Last reply by TonyE

BUSTER
BUSTER
more options

WHEN CLOSING FIREFOX AND REOPENING A MSG COME UP THAT SAYS FIREFOX IS STILL RUNNING AND TO CLOSE IT OR RESTART PC. CANNOT FIND IT RUNNING ANYWHERE EVEN IN TASK MNGR. HAVE TO KEEP RESTARTING PC TO BE ABLE TO USE FIREFOX. PLEASE ADVISE

WHEN CLOSING FIREFOX AND REOPENING A MSG COME UP THAT SAYS FIREFOX IS STILL RUNNING AND TO CLOSE IT OR RESTART PC. CANNOT FIND IT RUNNING ANYWHERE EVEN IN TASK MNGR. HAVE TO KEEP RESTARTING PC TO BE ABLE TO USE FIREFOX. PLEASE ADVISE

All Replies (1)

TonyE
TonyE
  • Moderator
more options

There are several possible causes for that error, for details see the "Firefox is already running but is not responding" error - How to fix article.