Mozilla Firefox is a powerful, open-source Web browser providing a great deal of versatility for both personal and business users. Firefox profiles contain bookmarks, passwords, cookies, browsing ...

Firefox has long supported profiles, but its new management system makes it's much easier to create and switch between them.

Howdy Folks,<BR><BR>Is there a reason that I should leave Firefox's/Thunderbird's profile buried in "\Application Data\wherever"? For the purposes of backup, it's nice to have everything in one place, ...

I'm on Windows 10, Firefox Quantum 67.0 (64-bit). This just started in the last few days. Not sure if it was triggered by a crash, shutting down with firefox still open or an update. Basically, when I ...