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Had issues a while back, uninstalled, installed, then got "Your Firefox profile cannot be loaded. It may be missing or inaccessible." Please halp.

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  • Last reply by cor-el

OHenry21
OHenry21
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The screenshot shows what I got when I tried.

The screenshot shows what I got when I tried.
Attached screenshots

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cor-el
cor-el
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You need to locate the profiles.ini file or use the Profile Manager to create a new profile.

See:

This can be caused by 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 a new default profile or reuse an existing profile:

  • Delete the profiles.ini file to force Firefox to create a new default profile
  • Use the Profile Manager to create a new profile
    If you still have an existing profile then click "Choose Folder" in the PM and select the location of a lost profile and recover this profile.

You should find the profiles.ini file in this hidden location:

  • Mac: ~/Library/Application Support/Firefox/
  • Linux: ~/.mozilla/firefox/
  • Windows: %AppData%\Mozilla\Firefox\
    C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\

If clearing the profiles.ini file isn't working then also check the location of the cache files.

  • Mac: /Users/<user>/Library/Caches/Firefox/Profiles/<profile>