When upgrading it should ask you to either: Upgrade: Just upgrade your current operating system with the current files you have now OR Custom: Upgrade your current operating system and delete all your files. When upgrading you should have bought a disc that has the operating system you want...
Re: What Kind of Video card? Consider this site: Best Graphics Cards July - 2012 Also try get at least a 3 star graphic card Also here's one I found http://community.futuremark.com/hardware/gpu/NVIDIA+GeForce+GTX+460/review. Here are the games the card can play...
Are you sure you've been waiting? Because it does take a while to search your whole computer. Also do a system restore before this problem started happening. Thus, do a system scan with Malwarebytes and AVG and download and run CCleaner too.(this might solve your problem)