lol disappearing extensions

somewhere between rebooting my machine and updating firefox and changing a million system settings, I managed to lose my adblock+ filters. This doesn't bother me too bad because I had backed them up when I changed blocking extensions, but I was just wondering if it had happened to anyone else. That is my question and what you should answer! (or if you know of a place where it might be backed up other than app data or the extensions folder in program files, I'd be happy to hear that too xD)

Firefox might've checked for an update to it and installed it, which removed your extensions on its own. That's what seems most probable.

The last update was three months ago, I don't think that was the case here.

And I think I phrased that badly, because they're all there, it's just the filters were gone from ABP xD