I downloaded it from the link you posted and it's the same problem, everything works fine except for the campaign. As soon as I press the button to start it, the game freezes... I even installed the patch but it still doesn't work, in fact with the patch installed I can't even get to the main menu because the game asks to insert a CD which I don't have (but I guess this is because the patch is already included in the game I downloaded maybe). Thanks for your help, I hope we will find a solution