vicecity

I hav just installed GTA Vicecity on my system , but there is one problem the game is running smoothly but there is no audio , wen i try to c the audio options frm the game it says "no audio hardware". Wat could b the problem. My system config: P IV 1.6 , 256+128 MB SDRAM , 128 MB GPU , 40 GB...

i get an error ! C:\Downloads\VCTrainerPlus9.rar: Unexpected end of archive whenever i try to open any archive related to GTA ViceCity that i download from the net. what does this mean. && how can it be rectified. H E L P M E O U T