i dont no wat happened. but when i try opening itunes it shows itself as open in the dock, but it doesnt show in the top bar and the itunes window doesnt open, then when i try and close it, or force close it i cant it stays open jus in the dock. also means i cant shut down or log out of my mac properly now. anyone know a solution? ** edit ** ok so i fixed it. wierd. im in the latest version 7.1.1 and all i had to do was unplug my 2nd gen shuffle. odd. anyone else had this bug?