Would you by any chance be running a single core processor? From what I'm reading its a problem with the dual/tri/qaudcores that is causing this, but the current fixes aren't working. I'm also going to upgrade to an HD 6790 sooner or later so that may fix things.
Alright to answer your questions: 1. Yes. Vista will be completley wiped and 7 will replace it, your PC will work fine. 2. I wouldnt recommend an upgrade, Ive never done it before but if you want a 100% shot at getting a working PC again, I recommend you ditch it and just do a clean install. 3...
My friend let me play it for a bit on his PC and I liked it alot, so I bought it off of Trymedia (you download a copy of it and then pay to remove the 60 minute trial) The reason Im saying this is I hear most fixes dont work on a downloaded copy of the game. Anywho, when I start it, most of the...