Hi, I have upgraded/updated firefox and after the firefox upgrade/update firefox crashed. when i reopened i have lost all my history/my session/all the tabs i had open prior to the upgrade/update and NONE of the solutions in the "mozilla support" are working. BTW - i don't have windows - i am using ubuntu ( i don't know if this changes anything). THIS IS EXTREMELY FRUSTRATING as i have lost all of my open tabs and can't restore them as "history" does not show anything prior to the upgrade/update - the "restore session" option was grey after i have opened firefox after the crash and when i go to "history" it shows history only from today and only the tabs i have opened after the update. this is very bad, pls help me !!!!