Hi recently I've been having an issue with all of my games alt-tabbing out and minimizing. Also it would randomly freeze in-game with a non moving cursor in the middle of the screen, until I ctr+alt+delete. I've also noticed a big fps drop in one of the games, world of tanks, from 25-35 down to 10-20, and I have a good setup. This happened to my previous pc to the point where I couldn't run anything. My windows 7 OS isn't genuine, could that pose a threat to my firewall, or make it easier for viruses or hackers to get in and infect it? I'm stumped, it only recently started acting this way.