If you can’t move Mouse in NVIDIA GeForce Experience Overlay, follow the solutions mentioned below to resolve the issue. Restart the game Disable and re-enable NVIDIA Overlay Update Graphics Drivers ...

An unstable or weak internet connection can cause this error. If you use a wireless Internet connection, we suggest you connect to your router using an Ethernet cable ...

TL;DR: NVIDIA's new app, replacing GeForce Experience, causes up to a 15% performance drop in some games due to its overlay and 'Game Filters and Photo Mode' settings. Disabling these features ...