NVIDIA Driver 471.11 breaks MHW for some, here is a video on what that looks like, reality bending stuff to be sure. Reverting to 466.77 fixes this issue. I've provided the advanced
์ฺNVIDIA GAME READY 471.11 WHQL not Support Samsung Odyssey G9 Firmware 1010.2 HDR MODE - DirectX, DXR, DirectCompute - NVIDIA Developer Forums
NVIDIA GeForce Game Ready 471.11 WHQL - VideoCardz.com