This is a rather strange issue, as it has no obvious traits. Every once and a while, a game will simply minimize. I don't spend enough time on other full-screen applications to know if it affects them. It's a huge pain in things like Skyrim where you can't minimize without game-breaking issues. I've Googled all 'round and quite a few people have had this problem, but there isn't a solution that's been confirmed. Before you go asking the obvious questions, no, it is not malware, there are no other programs that come up, and I am not accidentally hitting keys. (It's done it while I wasn't even touching the keyboard/mouse.) The strangest part is that nothing happens when it minimizes; no update requests, no notifications, etc.. It just minimizes.