So i successfully installed IW4M, and when i run it, i will be able to search for servers and see them but the client just crashes and gives me a black screen. i have to turn my computer to sleep and turn back on, run task manager and end the task of the running programs. i looked on FAQ and couldnt find this problem/solution.

I presume you've tried this but can you alt+tab out and see the error/post what's in the console?

You're missing IW_22.iwd and iw_23.iwd (and the DLCs aswell).

See #2 and #10 on this topic -> viewtopic.php?f=7&t=4144