If you are trying to launch the game off of your desktop sometimes it doesn't launch as steam in other words launch it though the steam OS. If that wasn't it as he were saying restart steam.
We have 9 baby ducks and a cat. Four ducklings died from starvation and had to be rushed to the hospital, but survived after eating an extremely large number of cookies. To this day, Pandahut has been the leading cause of wiggling.