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Why is cookie listed as Expires: At end of session yet is still listed after signoff a website

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I discovered a website that would hang-up while navigating through it was fixed by following the procedure of deleting selective cookies. I just searched for all cookies for a word "bank" and got a long list with a mixture of "Expires" categories.

Should a cookie still need to be manually deleted even if a search result list shows some as "Expires: At end of session"

Or why does the cookie not disappear now that it is expired? Maybe end of session means something more than leaving that website by closing it's tab or window? This stuff isn't explained anywhere in FX help when search for cookie expires.

I discovered a website that would hang-up while navigating through it was fixed by following the procedure of deleting selective cookies. I just searched for all cookies for a word "bank" and got a long list with a mixture of "Expires" categories. Should a cookie still need to be manually deleted even if a search result list shows some as "Expires: At end of session" Or why does the cookie not disappear now that it is expired? Maybe end of session means something more than leaving that website by closing it's tab or window? This stuff isn't explained anywhere in FX help when search for cookie expires.

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All Replies (4)

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Expires at the end of the session means after you close Firefox completely via "Firefox -> Quit Firefox" and not after logging out on a website or closing a window.

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This is not working on my installation. Why? A few times of closing FX and I can still see cookies for the bank in question. Worse yet, there are 5 that expire "June 11, 2011 8:38:27 AM" which is 2 weeks in the past!

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

Rename (or delete) cookies.sqlite (cookies.sqlite.old) and delete cookies.sqlite-journal and cookies.txt, if they exist, in the Firefox Profile Folder in case the file cookies.sqlite got corrupted.

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That seems a bit of a guess, and with respect, probably not applicable as a soln. You see from my description it was fixed by following the procedure... that it's not a matter of clearing cookies. That works if I select those I wish to, remove, then re-enter the website. It's really a matter of expired cookies remain, and there seems to be at least 6 others that happens with. So for now, I'm leaving the rest of my cookies alone until I see another reason for expired cookies remaining on the others computers too.