Windows Upgrade Help and more

Agreed. You could also try a clean install of Windows 11 instead of the upgrade, as that often resolves weird performance issues.

Same here. You could also try updating your motherboard's BIOS to the latest version, as that often enables proper TPM support.

Yeah, Agreed. You can also run Microsoft's PC Health Check app—it usually gives you the specific reason it's failing.

+1 Yeah, that was my issue too. A quick tip: run `verifier` in an admin command prompt to check for any other problematic drivers.

Great tip, problem solved!

Has anyone else had activation issues after upgrading to Windows 11? My Windows 10 was properly activated, but now I'm getting a watermark and an error 0xC004C003 in Settings. The activation troubleshooter just says Windows can't be activated. I did the upgrade through the official Installation ...