This post explains everything that's I've been going through, but the steam forums are saturated so I've came here.
Steam post: https://steamcommunity.com/app/581320/discussions/0/1736589520000508037/
Tl;dr
- I was playing the game yesterday
- Seen a feedback button so I clicked it
- Game closed, malwarebytes blocks an executable
- Restored everything, put exclutions, repaired EAC, verified game cache files
- Getting an "Access is denied" everytime the EAC loads.