Firefox Support Forum

I had a system crash, probably with Firefox opened.

After restarting PC and starting Firefox, most of the addons I have had lost all of their settings and were reset to default - Tampermonkey lost all the scripts I had installed, uBlock lost all settings and rules, etc. Weirdly some extensions kept portions of their settings, like TreeTabs saved tree structure despite also getting reset to default.

Additionally Firefox also got its own settings reset to default, while the tabs from my session and bookmarks were saved.

Is there any way to recover addon and Firefox settings, is there any backup of them?

Firefox 59.0.2 (32&64 bit) causing Windows 10 Pro to crash. I noticed it was mainly happening on websites that use flash video but I'm having it happen at other times also. Personally, it's happening on my 64-bit Windows 10 Pro laptop with 32-bit firefox installed and also on my 64-bit Windows 10 Pro desktop with 64-bit firefox installed. I have downgraded since the crashing and I can't stop it from happening. It's happening with over 30 computers here at my job and it's becoming a major headache. When windows crashes, I get a blue screen saying utt ohh, something went wrong with a frown face and a QR code. It'll boot back up after a little but sometimes when they happens, firefox won't load again until I completely purge it off the computer and re-install it. Some of the machines in question do NOT have adobe flash installed and the computer still crashes when reaching certain sites. We started noticing this happening once 59.0.2 was being pushed out to each computer on the domain.