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Since Firefox updated, when I try to click on a link in my Outlook email, I get the error message, A copy of Firefox is already open. Only one copy of Firefox c

Posted

I'm on a Mac desktop.

I'm on a Mac desktop.

Additional System Details

This happened

Just once or twice

This started when...

Firefox updated itself.

Application

  • User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:14.0) Gecko/20100101 Firefox/14.0

More Information

Michael Verdi 128 solutions 857 answers

First try restarting your computer - that's the easiest way to get everything Firefox to close.

If that doesn't work, resetting Firefox should do the trick. Instructions and details are here - Refresh Firefox - reset add-ons and settings

First try restarting your computer - that's the easiest way to get everything Firefox to close. If that doesn't work, resetting Firefox should do the trick. Instructions and details are here - [[Reset Firefox – easily fix most problems]]
John99 971 solutions 13138 answers

You may be having problems in shutting down Firefox properly for some reason.

What is the exact message you receive ?

You may need to look for and kill any Firefox or plugin container processes that are still running. See "Firefox is already running but is not responding" error - How to fix

If the problem continues a screen shot of the message may help

You may be having problems in shutting down Firefox properly for some reason. What is the exact message you receive ? You may need to look for and kill any Firefox or plugin container processes that are still running. See [["Firefox is already running but is not responding" error message - How to fix it]] If the problem continues a screen shot of the message may help * see [[How do I create a screenshot of my problem?]].