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My Firefox sudenly doesn't launch anymore.

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My Firefox sudenly doesn't launch anymore. I tried uninstall and reinstall, delete the profiles, clean registry, checked for virus, etc... I can't even make to safe mode or profile manager. It runs on task manager but the program it sel doesn't launch. What can I do?

My Firefox sudenly doesn't launch anymore. I tried uninstall and reinstall, delete the profiles, clean registry, checked for virus, etc... I can't even make to safe mode or profile manager. It runs on task manager but the program it sel doesn't launch. What can I do?

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If you are having trouble to the point that deleting profiles etc. won't solve the problem, it may be wise to uninstall Firefox, and reinstall it from the Firefox website: www.firefox.com

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Already done it but the problem remains