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.

Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't help.

  • 1 reply
  • 1 has this problem
  • 9 views
  • Last reply by Hasan

WhittierMark
WhittierMark
more options
Locking duplicate thread.
Please continue here: [/questions/880054]

Question Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't he

<blockquote>Locking duplicate thread.<br> Please continue here: [[/questions/880054]]</blockquote> Question Every time I try to open Firefox I get a popup saying it is already open, and to close it or restart; but it is NOT open, and restarting doesn't he

Modified by cor-el

All Replies (1)

Hasan
Hasan
more options

Duplicate Thread LOCK please