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Firefox randomly reset it's self to deafault mode (but retained bookmarks), now won't retain cookies after closing firefox even though it's set to.

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I was using Firefox last week and all of a sudden it crashed, when I started it back up again everything had been set back to factory default (but it kept my bookmarks). From then on it has refused to save cookies, I've been all through settings and everything is the way it should be. I have no add-ons that mess with cookies. I have no user.js file messing with anything. I've tried resetting firefox which did nothing, and I've completely uninstalled and reinstalled firefox. Nothing seems to fix the problem, every single time I close firefox or restart my computer I end up having to sign into every single website I go to....what gives?

I was using Firefox last week and all of a sudden it crashed, when I started it back up again everything had been set back to factory default (but it kept my bookmarks). From then on it has refused to save cookies, I've been all through settings and everything is the way it should be. I have no add-ons that mess with cookies. I have no user.js file messing with anything. I've tried resetting firefox which did nothing, and I've completely uninstalled and reinstalled firefox. Nothing seems to fix the problem, every single time I close firefox or restart my computer I end up having to sign into every single website I go to....what gives?

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If clearing cookies doesn't work then it is possible that the cookies.sqlite file that stores the cookies is corrupted.

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

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

  • Help > Troubleshooting Information > Profile Directory: Show Folder (Linux: Open Directory; Mac: Show in Finder)
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Well it worked briefly, but now it's ignoring cookies again, is there anything else I can do?


edit: it appears to be random, I just signed into everything and then restarted the computer, everything remained signed in. Then a few minutes later I closed firefox, and when I opened it back up I had to sign back in to everything. I just restarted again and everything remained signed in.

Modified by the_bondo_bandit