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It seems the game is installed, but I have a run time error on my Windows 8.1 laptop.

The error says

Windows couldn't complete the changes.

The system can not find the specified file.

Error code: 0x80070002

The error message has an internet link. The following text are at the webpage the link takes me to.

.NET Framework 3.5 installation error: 0x800F0906, 0x800F081F, 0x800F0907

This problem occurs when you try to install the Microsoft .NET Framework 3.5 on a computer that is running Windows 8.1, Windows Server 2012 R2, Windows 8 or Windows Server 2012.
Resolutions for error code 0x800F0906
This error code occurs because the computer cannot download the required files from Windows Update.

I tried to install .NET Framework 3.5. The laptop refuses to install it.

What am I doing wrong? I even tried to run Gray Matter in Windows XP compatibility mode.
Post edited March 08, 2016 by TERRI29
.NET Framework 3.5 is already included in Windows 8.1

But Gray Matter needs an older version .NET Compact Framework 2.0 SP1 (it can exist at the same time without downgrading or harming the newer version).

You can download it here: Link
To install the downloaded file rightclick at the file and choose "install".

Also make sure you've installed the DirectX Update for older games: Link
If you doubleclick at the downloaded file you have to choose a folder to extract the update into. Afterwards you have to go to this folder and doubleclick at the file dxsetup.exe to start the installation of the update.

The update identifies itself as DirectX 9.0c update. You don't have to fear that it downgrades your current DirectX installation (10, 11, 12). The update checks for more current files and leaves them untouched. But it installs libraries needed by games created for DirectX 9. These libraries simply coexist with libraries of more current DirectX versions.

After you've installed .NET Compact Framework 2.0 SP1 and the DirectX Update for older games Gray Matter should start.
-Bakhtosh-: [snip]
Many thanks, this helped me to get the game to run on a fresh Windows 10 installation :)