missions can not load :(

[Thunder]

Hi all ,
i installed the game in a friend's laptop.... it runs excellend up to menu ... but when you start a mission or you want to see a track , it starts to load and when you get to 100% and the mission starts you can only hear sound of the game and the image is that of loading ... ... any idea what is happening;;;;

I updated the drivers of the graphics card (GeForce GT130M 1Gb) ,
i tryied to ''verify integrity of game contet'' from steam , which is ok...
unintalled and reinstalled the game...problem remains.....


other games run fine !!!!!!!!!!!!

Intel core 2 duo proccessoer P7350 2Gh 1066Mz FSB
4GB RAm DDR3


Ps: sorry for my english....