Binkdx8surfacetype-4

When a PC game is launched, its executable is usually programmed to request the highest available version of DirectX. Playing a demanding game on outdated hardware with a newer version of DirectX (like DirectX 10 or 11) can cause significant lag or even system crashes. In response, many games allow players to force DirectX 8 mode via a command line, such as -dxlevel 80 in Steam's launch options, to improve performance at the cost of some graphical fidelity.

Check the mod's documentation page to see if you missed a prerequisite step, such as installing a specific VC++ Redistributable pack or a secondary configuration file. The Technical Reality: Legacy Code Preservation Binkdx8surfacetype-4