Windows Upgrade Help and more

Yeah, that's a common blocker. You might also check if Secure Boot is enabled in your BIOS, as that's another requirement.

Can confirm. Yeah, that error's a pain—did you check if your PC actually meets all the Windows 11 requirements, like TPM 2.0? Hope that helps.

Same here. And what version of Windows are you trying to install?

+1 You could also try clearing your TPM from within Windows, which sometimes resets it and lets the checker see it properly.