Firefox Support Forum

I have two computers, one for personal use and one for business. Somehow the tabs between the two computers are being shared and I cannot disable it. Both browsers are signed into different Firefox accounts, Sync is turned off on both, and there are no connected devices. Yet despite that, when I go to one computer, it pops up a Firefox icon (see attached) in the taskbar that lets me open the tab open on the other computer. This is incredibly frustrating and Firefox should not automatically share this information, and should not make it so difficult to disable.

several weeks ago, i noticed that my tabs that i have had open for months no longer were present when i had occasion to reopen firefox after i had shutdown computer. i think it happened after update 98.0.2 was installed. i have searched help, etc. one solution that was my exact problem did not apply to me because the screenshots the contributor was using were not present on my version of the browser (or it is always possible that i was lost). this issue is a pain and i sure would appreciate any help thanks, Steve

I had a number of tabs open today (~40). Because Firefox started to malfunction, I had to restart Firefox. It happened to me before and I knew that I can restore my previous session so I safely closed the tabs.

When I restarted it, I opened a tab and then I tried to open the Application Menu, but accidentally closed the window. Now, when I've re-opened Firefox and attempted to restore the previous session only that last tab appeared.

Is it possible to recover the pre-previous session? I use Ubuntu 18.04. Where is this information located? and how can I retrieve it?