grey screen

hen i start the game i get to the loading screen were i see thetank. after that i just see a grey screen and thats all. if i press F1 then the option box comes up... can someone help me please...

Install the english patch. (v4.0)

i had an error when i used the patch but i looked around and found out that tarty had the same problem and someone posted a different link that work... thanks though.