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Firefox freezes and the only way to restore Firefox is the run "firefox -allow-downgrade".

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I started experiencing an issue where my Firefox browser freezes up, tabs won't close or open and the "close" x on the top hoses up also and the only way to close out is via task manager.

If I try opening Firefox via any other method then using "run" Firefox does an update then prompts me for logging into an account which if I do prompts with a database error and then just closes. So the only way to resolve this is to run "firefox -allow-downgrade" which restores my Firefox browser and previous session. Tried un-installing and re-installing; however, same issue persisted.