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Firefox has frozen on my I Mac, I am unable to quit Firefox so that I can shutdown my computer, can you please help me ?

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I have a Mac OS X 10.7.5

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  • User Agent: Mozilla/5.0 (iPad; CPU OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3

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Jørgen Juel 4 solutions 13 answers

Hello Marye815, Welcome to Mozilla Support!

There are a couple of things you can try to fix this follow the steps, if one works, then you are done :)

  1. 1 Try to double-click/ctr-click the firefox icon and select "Quit".
  2. 2 Try to press the force-quit shortcut cmd+q
  3. 3 Use activity monitor (cmd+space -> "activity monitor" -> enter) From here, locate Firefox and click the "X" in the to left corner.
  4. 4 Open Terminal (cmd+space -> "terminal" -> enter) From here search for the Firefox Appliation using "ps -ef | grep firefox". Now you are presented with hopefully just one or two items named firefox. They have a 4 digit Pid Number. Then write "kill -9 Pid" (where pid is the number from the application).

edit: to simplify the quit through terminal process, you can simply write "kill -9 $(ps -x | grep firefox) ".

I hope this helps.

-- Jørgen Juel

Modified by Jørgen Juel

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