Call of duty 4; pb;error du demarrage

Bonjour,
je poste ce message pour un probléme avec call of duty 4 l'installation se passe sans probleme, mais au démarrage du jeu , j'ai un message d'érreur.
Voici le rapport que fait le jeu:

----- Initializing Renderer ----
----- Client Initialization Complete -----
Attempting 44 kHz 16 bit [Windows default] sound
----- R_Init -----
Getting Direct3D 9 interface...
Pixel shader version is 3.0
Vertex shader version is 3.0
Shader model 2.0 code path is available.
Shader model 3.0 code path is available.
Using Shader model 3.0 code path because it is the best available path on this hardware.
Attempting 800 x 600 fullscreen with 32 bpp at 60 hz
Game window successfully created.
Using 2x anti-aliasing
Creating Direct3D device...
Com_TouchMemory: 0 msec. Using sum: 0
Loading fastfile code_post_gfx
Loading fastfile ui
Loading fastfile common
Initializing render targets...
Requested frame buffer to be 24-bit color with 8-bit alpha
DirectX returned a frame buffer that is 24-bit color with 8-bit alpha

Error during initialization:
Create2DTexture( $floatz, 800, 600, 0, 114 ) failed: 8876086c = Invalid call

que ve dire Create2D Texture? svp
Merci d'avance