"The virtual hard disk 'Accounting VM.vhdx' is corrupted or invalid."

The Hyper-V Manager includes a graphical utility that can sometimes resolve minor corruption by compacting or expanding the disk. Open Hyper-V Manager. Select "Edit Disk" from the Actions pane. Browse to and select your corrupted VHDX file.

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The following steps can be used to repair corrupted VHDX files:

Methods and Tools for Repairing Corrupted VHDX Virtual Disk Files in Enterprise Environments

VHDX files can become corrupted due to various reasons, including: