Articles on: Legacy

Fix for "Error 21 License Validation Failed"

You may encounter this error message when starting up XSplit VCam as a result of a corrupted/disabled WMI (Windows Management Instrumentation).


Popup showing the Error 21 license validation failed error message


To troubleshoot the issue, we first need to confirm if WMI in your system is broken prior to applying a fix. Please follow the steps below:




Confirm if WMI is Broken


  1. Go to Start > Run then enter WMIMGMT.MSC


Typing WMIMGMT.MSC in the Run app on Windows


  1. Right-click on WMI Control (Local) and click Properties


Highlighting the Properties option when right-clicking WMI Control (Local)


  1. Check the General Tab


WMI is confirmed as NOT working properly if it shows it has failed to initialize all required WMI classes (Invalid class error).


Popup showing that all required WMI classes failed to initialize



How to Fix the WMI Error


  1. Download and unzip this batch file


downloading wmifix.zip compressed file package


  1. Double-click wmifix.bat to run the process.


running the wmifix.bat process


  1. Restart your computer.


  1. Go back to the WMI Control (Local) Properties.


  • You will know the fix is a success if it shows Successfully Connected to: <local computer>, along with your basic system information.


WMI Local properties showing a successful connection


  1. Run XSplit VCam. The error message should not appear anymore, which will indicate the issue has been fixed.

Updated on: 28/10/2025

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