Hi there, like it says. My firefox crashes immediately upon trying to play a video. Even simply scrolling over a video on youtube or google results, it breaks when it tries to the preview. This is the same on Twitter, Facebook, Campus Moodle, etc. Every website I use.

I've had this problem before and I did fix it by totalling wiping my history and browsing cache. Doing that and having to sign back into everything is super tedious though and I don't want it to keep happening. This doesn't happen when I use firefox's troubleshooting mode, everything works as normal and videos play without the browser crashing. So I think it must be something specific to my browsing history somehow? But I've no idea how that could crash the browser just from trying to play a video.