My computer have the next components:
-Intel Dual-Core 2Ghz ~4Ghz~
-Ati Radeon 9600 Pro 256MB DDR 128bit
-RAM: 2GB DDR
-HDD: 200GB
When open GTA IV I`m appear the next message: "GTA IV FATAL ERROR: DD3D50"
Still I buy a video card Nvidia GeForce 8500GT 1024MB DDR2 128bit