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The Firefox browser causes my bank's website to log me out.

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I have been having trouble after logging in to my bank's website. They use a security feature that logs me out after 15 minutes of inactivity, which is great. About two months ago or longer, after logging in, it would log me out after 10 seconds. Sometimes I can log in and stay logged in after repeated log-ins, but the problem gets worse, until often I cannot stay logged in for more than 10 seconds at a time, no matter how many times I try. I've worked with tech support at my bank, and they have never seen this problem before. They recommended clearing my cookies and cache, but that only seemed to help once. Anyway, I cannot see doing that every time I need to log in to my bank, since I do that several times a day. So, they recommended that I switch browsers. I tried Microsft Edge. Problem solved. I have no problem staying logged in using Edge. I prefer Firefox - I have been a loyal user for decades. Can you help me figure this out? - Terry Mulcahy, Albuquerque.

I have been having trouble after logging in to my bank's website. They use a security feature that logs me out after 15 minutes of inactivity, which is great. About two months ago or longer, after logging in, it would log me out after 10 seconds. Sometimes I can log in and stay logged in after repeated log-ins, but the problem gets worse, until often I cannot stay logged in for more than 10 seconds at a time, no matter how many times I try. I've worked with tech support at my bank, and they have never seen this problem before. They recommended clearing my cookies and cache, but that only seemed to help once. Anyway, I cannot see doing that every time I need to log in to my bank, since I do that several times a day. So, they recommended that I switch browsers. I tried Microsft Edge. Problem solved. I have no problem staying logged in using Edge. I prefer Firefox - I have been a loyal user for decades. Can you help me figure this out? - Terry Mulcahy, Albuquerque.

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It looks like something with cookies. Can you enter about:profiles in the address bar, create a new profile and test it there?

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While it did solve the problem, what should I do now? With my old profile, it never mattered how many times I deleted cookies, the problem always came back. Should I just delete my old profile? or, remove Firefox and reinstall?

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You can check for issues with Total Cookie Protection.


If clearing cookies doesn't help, it is possible that the cookies.sqlite file in the Firefox profile folder that stores the cookies got corrupted.

  • rename/remove cookies.sqlite (cookies.sqlite.old) and when present delete cookies.sqlite-shm and cookies.sqlite-wal in the Firefox profile folder with Firefox closed in case cookies.sqlite got corrupted.

You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).