Seeing this message:
MBR2GPT /validate /disk:4 /allowFullOS
MBR2GPT: Attempting to validate disk 4
MBR2GPT: Retrieving layout of disk
MBR2GPT: Validating layout, disk sector size is: 512 bytes
Disk layout validation failed for disk 4
If I try the convert then it just crashes - what do I need to do to just convert it?