When right-clicking on the Virtual Machine and clicking on Properties, the VMM Console Crashes. When you check the Event Logs, it shows the error similar to this:

Description:
Stopped working

Problem signature:
Problem Event Name : CLR20r3
Problem Signature 01: vmmadmin.exe
Problem Signature 02: 1.0.523.0
Problem Signature 03: 4d432cdf
Problem Signature 04: System.Windows.Forms
Problem Signature 05: 2.0.0.0
Problem Signature 06: 4f682206
Problem Signature 07: 14d0
Problem Signature 08: 23
Problem Signature 09: System.ObjectDisposedException
OS Version: 6.1.7601.2.1.0.274.10
Locale ID: 1033

Try the following to fix the the issue:

Open VMM Powershell prompt and run the following command

Get-VM -Name “Name of the VM” | Remove-VM -Force

The VM should stay online but will be removed from the VMM. It will reappear automatically after a while or you can right-click the host and Refresh Virtual Machines.