VMWare/Windows 8.1 issue

Just hit the recent Windows 8.1 Update (KB2995388) issue


Go to Control Panel -> Programs -> Programs and Features, then select View installed updates at the top left corner.

Uninstall KB2995388


wmic qfe list | findstr "KB2995388"

wusa /uninstall /kb:2995388


If this does not fix it

Go to C:\ProgramData\VMware\VMware Workstation

Edit config.ini, add the line

vmmon.disableHostParameters = “TRUE”

Copy the file to ‘%AppData%\VMWare’.



powershell script to register VMWare Workstation VMs

First realise that Powershell ISE in installed on windows 8 (and 8.1) by default!

Turn on Script Execution

Run powershell as administrator and run:

PS C:\Windows\system32> Get-ExecutionPolicy
PS C:\Windows\system32> Set-ExecutionPolicy RemoteSigned

Execution Policy Change
The execution policy helps protect you from scripts that you do not trust. Changing the execution policy might expose
you to the security risks described in the about_Execution_Policies help topic at
http://go.microsoft.com/fwlink/?LinkID=135170. Do you want to change the execution policy?
[Y] Yes  [N] No  [S] Suspend  [?] Help (default is “Y”):
PS C:\Windows\system32> Get-ExecutionPolicy


Obtaining Help

Run Powershell Ise as Admin and enter


to get the help files

Adding vmrun.exe to path

Go to Control Panel – System – Advanced – Environment Variables

Edit System Variable Path and add

;C:\Program Files (x86)\VMware\VMware Workstation

to the end of the path

Powershell Script to register VM’s

Script which when passed a location for VMWare Workstation virtual machines registers each vm with the gui.by opening and closing it! http://www.smooth1.co.uk/powershell/vmreg.ps1

VMWare Workstation and windows updates

Monday morning starts with windows applying patches and VMWare Workstation hanging, checking event viewer we find a suspect!

The application (VMware Workstation, from vendor VMware, Inc.) has the following problem: To function properly, VMware Workstation must be reinstalled after you upgrade Windows.”

I did not upgrade Windows, Windows patched itself!