Gta4 fatal error: D3D error-material model requires version 3.0 or higher.

Your graphics card driver is not enough to meet the requirements of the game. Suggestions are as follows:

First, update the graphics card driver, but it must be signed by WHQ.

Second, reinstall the DX plug-in corresponding to the operating system;

WIN XP DX 9.0

VISTA、WIN 7: DX 1 1