Full Computer Crashes related to application-specific permissions

[Windows Version 10 Pro, on latest update]

At first I was getting an error related to this after my computer crashed completely while trying to play an online game:




I followed a guide to fix permissions (backed up original reg) and it was working for a little while, but during the game, the computer once again crashed completely. So I went to event viewer again, and the only events that were yellow or red were these now:





So I have no idea how to fix this overall issue, and I dont wanna keep going down an editing rabbit hole if it's going to make other errors pop up in a chain I just can't fix.