Can you detach the HDD from VM100 and create a new VM.
Selecting Windows 10, bios OVMF, No tpm.
And reattach the HDD from VM100?
agent: 1
args: -cpu 'host,+kvm_pv_unhalt,+kvm_pv_eoi,kvm=off'
bios: ovmf
boot: order=scsi1
cores: 8
cpu: host,hidden=1,flags=+pcid
efidisk0...