(using DMDE as example):
If the target disk uses a parent-child relationship (differencing disk), supply the path to the base image to realign the chain: powershell repair corrupt vhdx
If the VM refuses to start and reports a corruption error, inspect the disk via Hyper-V Manager. (using DMDE as example): If the target disk
# Using qemu-img (on Windows via WSL or standalone) qemu-img convert -O raw corrupt.vhdx recovered.raw repair corrupt vhdx