Windows 10 doesn't start after setting up dual boot with Ubuntu 20.04
Solution 1:
Boot this directly from UEFI, it will just say Windows.
Boot0000* Windows Boot Manager
You have Windows hibernated or fast start up on, which also sets hibernation flag.
> The disk contains an unclean file system (0, 0). Metadata kept in
> Windows cache, refused to mount.
Grub only boots working Windows, or Windows that is not hibernated.
Unable to mount Windows 10 partition; it "is in an unsafe state"
Unable to mount Windows (NTFS) filesystem due to hibernation