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your firefox profile can not be loaded. it may be missing or inaccessible

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i just updated my computer, after i did so, firefox wont open, it says your firefox profile can not be loaded, it may be missing or inaccessible. I have read every thread in here, and nothing works. i can't find the profiles.ini folder and i cant create a new profile. what to do now?

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Please check out this article for more information about profiles.

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A likely cause is a problem with the profiles.ini file and the profile marked as Default=1 in this file is no longer present on the hard drive.

You can use one of these to make Firefox create/use a new default profile:

  • Delete the profiles.ini file to force Firefox to create a new default profile
  • Use the Profile Manager to create a new profile
  • Use "Choose Folder" when you create a new profile to select the location of a lost profile and recover this profile
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thanks, but i'm running on mac os x and don't have library, so i don't know how to find that. The only thing i can find is what there is on the picture. And when i try to find profile manager in Terminal i just get what is on the second picture.

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I'm not sure if you even looked at the link I gave you? It clearly gives you instructions as for where to find the Library folder on OS X.

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In Mac OS X v10.7 and later, the ~/Library folder is a hidden folder.

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thank you for your help, the problem is fixed:) when i finally found library i deleted the cached folder and made a new one, that worked.