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- Sun Jan 11, 2026 11:23 pm
- Forum: Your first forum
- Topic: I'm trying to upgrade my Windows 10 PC to Windows 11, but the setup keeps failin?
- Replies: 8
- Views: 151
I'm trying to upgrade my Windows 10 PC to Windows 11, but the setup keeps failin?
I'm trying to upgrade my Windows 10 PC to Windows 11, but the setup keeps failing with error code 0xC1900101. My main worry is my files. The upgrade assistant says everything is compatible, but I've heard horror stories. Does this process automatically create a full system backup I can restore, or ...