Uninstall Gta Iv Whats The Best Way To Solve This GTA IV Problem?

Whats the best way to solve this GTA IV problem? - uninstall gta iv

I just downloaded one GTA IV patch 1.2, then I tried to play GTA IV, but the screen is displayed, said Fatal crash and kept the game ... But before downloading the patch the game worked well .... The way you solve this problem? Did you uninstall the game then reinstall? Plz help!