Hatsune Miku: Project DIVA Mega Mix+ – This Version Of Windows Is Not Supported Error

How to Fix (This Version Of Windows Is Not Supported) Error

Some players are having trouble with “This version of Windows is not supported” error, even though they are running Windows 10 or 11.

In this guide, I’ll go over some methods to fix this problem.

Method 1: Check Compatibility Flags of DivaMegaMix.exe

  • I don’t know why no one has mentioned this.
  • Go to your Steam Library, right click on Miku Mega Mix, choose Manage -> Browse local files.
  • Right click on DivaMegaMix.exe, choose Properties and a dialog will show.
  • Go to Compatibility tab, make sure that “Run this program in compatibility mode for” is unchecked.
  • Click on “Change settings for all users”, make sure that “Run this program in compatibility mode for” in the new dialog is unchecked.
  • Press OK and OK to save configurations and exit.

If you have done this and still facing problems, or the check boxes are not checked at first, then use the following method.

Open Regedit, go to:

  • HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers

Then for any values related to DivaMegaMix, delete it or remove flags related to Windows versions.

After that, go to:

  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers

And do the same.

Note that if you have multiple users on your machine, then you’ll need to do this for each user.

Method 2: DLL Hijacking to Hook RtlGetVersion

DivaMegaMix.exe uses RtlGetVersion API to retrieve Windows version. It is affected by compatibility flags.

I have written a simple DLL to force it to return Windows 10.

Go here, download userenv.zip then extract it to your Miku Mega Mix game folder.

The code is open source, and the DLL is not packed so you can easily verify that I didn’t include any malware inside the DLL.

Method 3: Patching Version Check Code in DivaMegaMix.exe

This method is well known and there are many guides for it so I’m just mentioning it here.

The disadvantage of this method is you will have to do it again every time the game updates.

Special K also uses this method.

Helena Stamatina
About Helena Stamatina 3021 Articles
I love two things in life, games and sports. Although sports were my earliest interest, it was video games that got me completely addicted (in a good way). My first game was Crash Bandicoot (PS1) from the legendary studio Naughty Dog back in 1996. I turned my passion for gaming into a job back in 2019 when I transformed my geek blog (Re-actor) into the gaming website it is today.

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