This game disappointed me tremendously. Simply put, I didn't feel like I was playing the game I saw in the trailer. The game was so boring up to level 6, not to mention the leveling is rather slow. The quests up to that were all "kill that, pick thi…
I wish I could help, but not much others here will probably be able to help either. You should post in Toms Hardware, you'll get the help you need for this kind of problem there.
Good luck! =D