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Your Firefox profile cannot be loaded. It may be missing or inaccessible.

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  • Last reply by cor-el

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"Your Firefox profile cannot be loaded. It may be missing or inaccessible." will not open browser. thanks

"Your Firefox profile cannot be loaded. It may be missing or inaccessible." will not open browser. thanks

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You can check for problems with the profiles.ini file that registers profiles and the profile marked as Default=1 is no longer present.

You can try these steps:

You can find the profiles.ini file in a hidden location:

  • Windows: %AppData%\Mozilla\Firefox\
    C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\

See:

You can possibly recover personal data from a profile in the "Old Firefox Data" folder on the desktop created by using the Firefox refresh feature or from from another profile.