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Firefox won't open...error message - "your firefox profile cannot be loaded. . It may be missing or inaccessible." Please help. I have unistalled & reinstalle

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Firefox won't open for me. I keep getting the errors listed below:

"your firefox profile cannot be loaded. . It may be missing or inaccessible."

"Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window."

Nothing is running. I've killed all the firefox processes, restarted, uninstalled and reinstalled.

What can I do? Thanks Kris

Firefox won't open for me. I keep getting the errors listed below: "your firefox profile cannot be loaded. . It may be missing or inaccessible." "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window." Nothing is running. I've killed all the firefox processes, restarted, uninstalled and reinstalled. What can I do? Thanks Kris

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okay, so I can add a new profile and open firefox now but every time I close it I have the same profile issue and it won't open. Any ideas on how I get the profile to stick or quit having these issues?

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Did you delete the profiles.ini file?

You can use this button to go to the currently used Firefox profile folder:

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
  • Windows: %AppData%\Mozilla\Firefox\
    C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles\<profile>\
  • Linux: ~/.mozilla/firefox/
  • Mac: ~/Library/Application Support/Firefox/

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