Important Notice: We're experiencing email notification issues. If you've posted a question in the community forums recently, please check your profile manually for responses while we're working to fix this.

On Monday the 3rd of March, around 5pm UTC (9am PT) users may experience a brief period of downtime while one of our underlying services is under maintenance.

Mozilla 도움말 검색

고객 지원 사기를 피하세요. 저희는 여러분께 절대로 전화를 걸거나 문자를 보내거나 개인 정보를 공유하도록 요청하지 않습니다. "악용 사례 신고"옵션을 사용하여 의심스러운 활동을 신고해 주세요.

자세히 살펴보기

I can't open Firefox Brower on my laptop.

  • 3 답장
  • 2 이 문제를 만남
  • 1 보기
  • 최종 답변자: McCoy

more options

I keep getting window message " Firefox is already running. The old firefox process must be closed. " I have tried uninstalling and reinstalling but keep getting the same problem

I keep getting window message " Firefox is already running. The old firefox process must be closed. " I have tried uninstalling and reinstalling but keep getting the same problem

모든 댓글 (3)

more options

Hello djrpai,

Would you please take a look at these articles :

https://support.mozilla.org/en-US/kb/firefox-already-running-not-responding

and :

https://www.askvg.com/fix-firefox-is-already-running-but-is-not-responding-error-message/

'Hope one of those will work for you .....

more options

Do you by any chance use Kaspersky ?

I'm asking because of the OPs last post in this thread :

https://support.mozilla.org/en-US/questions/1271943

Also see :

Two users having the same problem in this thread :

https://support.mozilla.org/en-US/questions/1272635

And another one here :

https://support.mozilla.org/en-US/questions/1272576

more options

Just in case that you are using Kaspersky; please see this thread :

https://support.mozilla.org/en-US/questions/1272635