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Firefox logged out of all websites (FB, GOOGLE etc) while I was browsing?

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This is an issue I faced today, I was normally browsing websites while being logged into multiple websites using my user accounts. All of a sudden out of nowhere (and while browsing...not logged out of any websites)....I got logged out of all websites, yes, all the websites I was logged into....is this is a security issue or a browser issue?

1. I did not clear cache/history/cookies - I am web dev so I know what I was doing? 2. I did not close FF, I am actually posting this after it happened and without restarting browser. 3. It happened to all of the websites altogether

I am concerned whether this is a security issue...and that I need to change passwords for my account

This is an issue I faced today, I was normally browsing websites while being logged into multiple websites using my user accounts. All of a sudden out of nowhere (and while browsing...not logged out of any websites)....I got logged out of all websites, yes, all the websites I was logged into....is this is a security issue or a browser issue? 1. I did not clear cache/history/cookies - I am web dev so I know what I was doing? 2. I did not close FF, I am actually posting this after it happened and without restarting browser. 3. It happened to all of the websites altogether I am concerned whether this is a security issue...and that I need to change passwords for my account

All Replies (6)

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Did you cleaned your computer using third party tools like (ccleaner), if so it happens.

if not, The issue may be because of your corrupted cookie file (cookies.sqlite)

Rename (or delete) cookies.sqlite (cookies.sqlite.old) and delete other present cookie files like cookies.sqlite-journal in the Firefox profile folder in case the file cookies.sqlite got corrupted.

You can also check if DOM Storage is enabled.

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I didn't use any third party tools, and I checked everything you said. Seems fine....but thanks!

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If its works fine, please mark the answer as solution to close the thread.

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Sorry, maybe I was unclear, but what I meant with "fine" was the things you specified were fine and do not seem to be the cause of the issue mentioned above. Sorry for the misunderstanding. :)

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Still are you facing the issue??

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

If the new profile works then you can transfer files from a previously used profile to the new profile, but be cautious not to copy corrupted files to avoid carrying over the problem
Profile Backup and Restore

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Start Firefox in Safe Mode to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem.

  • Switch to the DEFAULT theme: Firefox/Tools > Add-ons > Appearance
  • Do NOT click the Reset button on the Safe Mode start window

You can also check your security software and your connection settings as this can happen if you use a proxy.