When I start it though it crashes. I see very short a Windows logo that suggests to me the VM reaches the harddisk image. After that it fails with:
When I revert back to 6.1.48 then all is fine again.Recovery
Your PC couldn't start properly
A required device isn't connected or can't be accessed.
Error code: 0xc0000225
You'll need to use recovery tools. If you don't have any installation media (like a disc or USB
device), contact your PC administrator or PC/Device manufacturer.
Any pointers how to fix this?