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Unable to open Firefox. Get Profile Missing Alert box saying "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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Following the most recent FireFox Update I can no longer open or use the FireFox browser. I reinstalled a new version and still get the same Profile Missing Alert.

Following the most recent FireFox Update I can no longer open or use the FireFox browser. I reinstalled a new version and still get the same Profile Missing Alert.

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Create a new profile as a test to check if your current profile is causing the problems.

See Basic Troubleshooting: Make a new profile:

If that new profile works then you can transfer some files from the old profile to that new profile (be careful not to copy corrupted files)

See: