Probleme lancement COD 4 help me svp

Salut, je suis triste COD 4 marche pas voici le rapport:

----- Initializing Renderer ----
----- Client Initialization Complete -----
Attempting 44 kHz 16 bit [Windows default] sound
----- R_Init -----
Getting Direct3D 9 interface...
Pixel shader version is 2.0
Vertex shader version is 0.0
Video card or driver doesn't accelerate transform and lighting.
Video card or driver doesn't support UBYTE4N vertex data.

Error during initialization:
Video card or driver doesn't support UBYTE4N vertex data.

aidez moi svp . merci d'avance

Configuration: Windows Vista
Internet Explorer 7.0