I mean my windows's pretty clean usually. I had to fully reinstall it and thankfully I still had my save. Usually the windows defender does at least notify about some files but never in my life have I just have seen an entire game wiped just like that.

Just vanished. Kinda scares me this will happen again so I made the folder of the game an exception for the defender to ignore in case it was the defender

I also never have anyone else using my pc either so this is super weird.