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YOU LOST MY ENTIRE HISTORY WITH YOUR 'UPGRADE'!!!

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I closed my browser and a "new version" of Firefox was installed. MY ENTIRE HISTORY WAS ERASED!!! I CANNOT "RESTORE PREVIOUS SESSION".... I AM N O T HAPPY! WHY WOULD YOU DO A THING LIKE THIS? GET MY PREVIOUS SESSION BACK AND ALL MY HISTORY! THERE ARE OTHER BROWSERS.... I HAVE USED FIREFOX FOR YEARS AND THIS IS THE FIRST TIME THAT I HAVE BEEN ABSOLUTELY ENRAGED! WHY DON'T YOU ASK US IF WE EVEN WANT AND "UPGRADE"! PLEASE RESPOND!

I closed my browser and a "new version" of Firefox was installed. MY ENTIRE HISTORY WAS ERASED!!! I CANNOT "RESTORE PREVIOUS SESSION".... I AM N O T HAPPY! WHY WOULD YOU DO A THING LIKE THIS? GET MY PREVIOUS SESSION BACK AND ALL MY HISTORY! THERE ARE OTHER BROWSERS.... I HAVE USED FIREFOX FOR YEARS AND THIS IS THE FIRST TIME THAT I HAVE BEEN ABSOLUTELY ENRAGED! WHY DON'T YOU ASK US IF WE EVEN WANT AND "UPGRADE"! PLEASE RESPOND!

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What about other data? This article may be of some help.

https://support.mozilla.org/en-US/kb/recover-user-data-missing-after-firefox-update