Hi, In the last month or so(always with latest FF) I've lost all my tabs 3 times. When starting FF it will just show one new tab and not my previously opened tabs. After a few hours of working, somehow, FF will suddenly (I don't think I even closed and reopened FF) will bring back my tabs. This morning it has happened again and I'm super frustrated. I am trying to manually restore the previous session. In my Profile folder there is no sessionstore.jsonlz4 file. I tried copying an older one from the "sessionstore-backups" folder to my Profile folder, renaming it to sessionstore.jsonlz4 and deleting the "sessionstore-backups" folder but when I start FF I still get a new windows with 1 new tab and that's it. I ran "firefox.exe -P" and I only have one profile. Ideas???