In most of these cases, users are being told torestart their PCandlaunch the GeForce experience again.
This issue is currently being reported inWindows 7, 8, 10, and 11.
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What causes this error?
A Winsock reset or a comms reinstall may help in this case.
you’re free to use Windows Services to allow it to interact with the desktop.
How to Fix GeForce Error Code 0x0003?
Force Start Necessary Nvidia Services
If the necessary Nvidia Services are not running, force starting them may help.
To force start Nvidia services, go through this:
3.
Allow Nvidia Telemetry to interact with the desktop.
Update Nvidia Drivers
GeForce Experience Error Code 0x0003 is now fixed!
The above methods should fix the 0x0003 error code on GeForce Experience.
source: www.techworm.net