Windows Upgrade Help and more

Yeah, Ah, that CPU isn't on the official supported list for Windows 11, which is likely the root cause.

Have you checked if the Windows partition itself has the full 64GB of free space required for the upgrade? Hope that helps.

Yeah, You could also try the registry edit workaround to bypass the CPU check, but it's not officially supported.

Yeah, that's a solid suggestion. Also, if you use certain apps like File Explorer in dark mode, double-check their individual settings as some have their own dark theme intensity. Hope that helps.

Agreed. You could also try temporarily disabling any third-party firewalls or antivirus software on both machines, as they sometimes block the connection. Let me know if that works.