That's very strange. Do you have any other devices that act/can act as a mouse plugged in to your PC?
Both wired mouse and wireless mouse can't work, and I found this problem was retained together with game save after I reinstalled game. Which files in the C drive should I delete to fully resolve the problem?
I don‘t have other devices that act/can act as a mouse plugged in my PC.
The problem occurred after I summoned the task manager on top of the full-screen game while I was exploring the scary attic.