POSTAL2 GIVES AN ERROR WHEN RUN!!!!!!!! (Postal 2)

I downloaded the game from torrent,I played through the week I wanted to start it again,BUT it gives an error!!What do I want?Just ask.I kept all the fail folder Postal2 Complete,if I install back the game,and peermedu saved files to a new folder with a game, it ostanutsa old save ??