Does this happen to everyone? Well, I haven't had time to install the patches yet...
Wait, so you just need to prevent the game from accessing the disc?
Just install the game, put the patch in the game folder, and that's it! Everything works for me (I'm playing it right now)... And if you're interested, here's a link: http://www.buka.ru/phpBB2/viewforum.php?f=16&sid=ec5bcf385aed6f8ebc3314ddace53624