Search found 2 matches
- Thu Jan 15, 2026 2:47 pm
- Forum: Windows 11 Upgrade Help
- Topic: I’m trying to upgrade my Windows 10 PC to Windows 11, but the setup keeps failin?
- Replies: 13
- Views: 442
- Sun Jan 11, 2026 8:09 am
- Forum: Windows 11 Upgrade Help
- Topic: Has anyone else run into activation issues after upgrading to Windows 11? My Win?
- Replies: 18
- Views: 1409
Has anyone else run into activation issues after upgrading to Windows 11? My Win?
Has anyone else run into activation issues after upgrading to Windows 11? My Windows 10 was fully licensed, but now I’m getting a “Windows is not activated” watermark and error 0xC004C003. The activation troubleshooter just says it can’t activate on this device. I’ve tried re-entering my product key ...