Game Freezes when I move my mouse.

My game freezes when I move my mouse. The audio continues but the game freezes until i stop moving it.

Download mod nvidia fix from the vault and enable it.

... or type "d3d_WindowsCursor" in the console. The mod does that automatically every time you start the game. I tried to get to how it happens and what causes it, but all I managed to find is a conclusion that nvidia drivers sh** themselves at some point.