For a while now, when I double click a game in my library, I'd notice it trying to open another game. At first I thought I might be misclicking, or the list was still loading and I didn't see the list move, but I've been more and more sure it is a problem with Steam. Just now, I watched myself click one game, it even highlighted in the list. Then Powder Toy opened up and it selected that instead. What could cause such a random bug? And why does it happen? It's annoying as forget, too, because people see me opening Left 4 Dead 2 or something and are like "Duuude, you're playing that? :O" and I'm like "No damn it I was starting something else."