i got error

cant some other give me patch_mp.ff i need it i forget it and need new please give me it :C i cant play

it wouldn't work.reinstall the game.

mm why not give only patch_mp.ff i dont have cd :C and its got day download it

just do this then: double click on steam icon in the bar down,right of your desktop-> click that button near "Shop" (written big)->right click mw2 multiplayer->properties->local files->verify game cache inegrity->wait. if it doesn't work try with the single player game aswell @hackermarko