Hey there! I get it—sometimes Hyper-V Manager can feel like it’s hiding the "full delete" option, but there are actually straightforward ways to wipe a VM completely, even if the GUI acts up. Let’s break it down step by step:

You might have missed the critical checkbox that cleans up all associated files. Here’s how to do it properly:

• First, shut down the VM completely: Open Hyper-V Manager, right-click your target virtual machine, and select Shut Down (if it’s running) or Turn Off (if it’s stuck in a suspended state). Never try deleting a running VM—it’ll leave messy leftovers.
• Right-click the VM again and choose Delete. A confirmation window will pop up.
• This is the key part: Check the box that says Delete all associated files with the virtual machine before clicking OK. This wipes the VM configuration, virtual hard disks (VHD/VHDX), snapshot files, and any other linked data in one go.

If the GUI is unresponsive, or the VM is gone from the list but files are still taking up space, use these manual steps:

• Delete VM configuration files:
  The configs live in C:\ProgramData\Microsoft\Windows\Hyper-V\Virtual Machines—look for a folder named with a long GUID string. To confirm which GUID matches your VM, open an admin PowerShell and run:

  Get-VM | Select-Object Name, Id
  

  Match the Id value to the folder name, then delete that folder.
• Remove virtual hard disks:
  By default, VHD/VHDX files are stored in C:\Users\Public\Documents\Hyper-V\Virtual Hard Disks. Locate the file(s) tied to your VM and delete them. If you used a custom storage path, navigate there instead.
• Clean up snapshot files:
  If you took snapshots, they’ll be saved as .avhdx files (usually in the same folder as your VHDs). You can list snapshots for a VM with:

  Get-VMSnapshot -VMName "Your VM Name"
  

  Delete them via PowerShell with:

  Remove-VMSnapshot -VMName "Your VM Name" -Name "Snapshot Name"
  

  Or just delete the .avhdx files directly if the VM is already gone.
• One-click PowerShell wipe (for stubborn VMs):
  If the VM still shows up in Hyper-V Manager but won’t delete, open admin PowerShell and run:

  Remove-VM -Name "Your VM Name" -Force -DeleteStorage
  

  This command force-deletes the VM and all associated storage in one step—super handy for stuck instances.

A quick heads-up: Always back up any important data from the VM before deleting, and make sure it’s fully shut down to avoid file locks or corruption.

内容的提问来源于stack exchange，提问作者Vimal