Need help with my cod5 are u smart enough to fix it??

i have a problem when i got cod5 for computer
it was 50$ and it doesnt work can u help me

this is what it says when i try to run it

"----- Initializing Renderer ----
execing ragdoll.cfg from disk
----- Client Initialization -----
----- Client Initialization Complete -----
Trying SMP acceleration...
...succeeded.
----- 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."

how do i fix and ive already tried to reinstall so dont say that

HELP ME!!!!!!!!!!!!