Finally i solved the problem guys,i won't know what happend,anyway i had a back up of the gp4 folder and i just repleaced it with the gp4 folder where the game is installed and everything working fine now,i have back my hd textures,and the tarmac by vesa and all the rest,and the P.O it's back at 30-40 percent,the only thing i can say it's too make a back-up of your gp4 folder every now and then so you always have a solution for tis kind of problems..also thanks to all of you for the help and to be so kind to help me,thanks so much guys
Greetings
Alessio
CoM3 oN McL4R3n.....