Use this link After updating to NVIDIA Game Ready Driver 461.09 or newer, some desktop apps may flicker or stutter when resizing the window on some PC configurations | NVIDIA ( https://nvidia.custhelp.com/app/answers/detail/a_id/5157)
to find the registry fix on Nvidia’s website and apply it, then restart your system. This is still an issue for me in January 2024 on a new RTX 4070ti, Game Ready Driver 546.33, and fresh install of windows 10. You want to run the Disable mpo to fix the issue and restore to put it back to the defaults.