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today withI have lost all my bookmarks passwords profile after Firefox updated to the newest versionout asking me first

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I have lost all my bookmarks passwords profile etc after Firefox updated to the newest version today without asking me first. I liked what I had & several times a day it would say there are updates but I closed those popups or messages. Im now using the latest version just so I can have some use while I try to sort this out & get help.

I have lost all my bookmarks passwords profile etc after Firefox updated to the newest version today without asking me first. I liked what I had & several times a day it would say there are updates but I closed those popups or messages. Im now using the latest version just so I can have some use while I try to sort this out & get help.

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I'm adding that I tried system restore several times .... & my last full backup.... but each time something was corrupted or would not launch or there was no .exe file in the program folder...Ive never seen this before, & the Mozilla backup I had was useless... it was unable to launch either