Merely running the installer is sometimes insufficient. Old driver fragments can cause conflicts.

Even if you have DirectX 11 or 12, many older games need DirectX 9.0c runtime files. The ubyte4n format is heavily used in DirectX 9 shaders.

Run dxdiag (Press Win+R, type dxdiag , press Enter). Go to the "Display" tab. Check if "Direct3D Acceleration" is enabled. If disabled, enable it.

On Windows 7, this error almost exclusively indicates one of two scenarios: