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.

firefos says it already running

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

Tonytrev
Tonytrev
more options

When I try to start Firefox is says that it is already running and must be closed. It is not running though either on screen or in the background

When I try to start Firefox is says that it is already running and must be closed. It is not running though either on screen or in the background

All Replies (1)

TonyE
TonyE
  • Moderator
more options

There are a few possible causes for that error message, for details see "Firefox is already running but is not responding" error - How to fix and Profile in use - MozillaZine Knowledge Base.