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Had older version may have thrown away something important. Downloaded new Firefox when I try to open it, it says a copy of Firefox is already running and nothing happens.

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Accidentally deleted some aspect of older Firefox, when I try to open new version it says there is a copy of firefox already open.

Accidentally deleted some aspect of older Firefox, when I try to open new version it says there is a copy of firefox already open.

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  • User Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en-us) AppleWebKit/419.2 (KHTML, like Gecko) Safari/419.3

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cor-el
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17523 solutions 158446 answers
Did you delete the [http://kb.mozillazine.org/Profile_folder_-_Firefox Firefox Profile Folder] ? If you did then you need to create a new profile. http://kb.mozillazine.org/Recovering_a_missing_profile http://kb.mozillazine.org/Profile_Manager

Question owner

I have the same problem, I use Windows Vista

I have the same problem, I use Windows Vista