CrossFire Problem

I have got a problem with loading. I installed CrossFire on my PC and I downloaded all the patches and the game started. Every think was fine none errors nothing but when in left down corner appeared "Loading Textures" there was a problem because I was waiting for one hour and nothing happen I don't know why I like this game and I want play it .

My PC:
Processor Core 2 Duo E6750 2.66Ghz
RAM 2048Mb DDR2/800mhz Kingston
Graphics card GeForce 8600GT 512 Mb
Mother board Gigabyte GA-G31M-S2L

Windows XP Home Edition with Service pack 2 and I'm downloading 3 Framework 3.5.
Please Help me.

I'll say when I install Service Pack 3.