Sorry to necro bump this but I believe I have found the fix to this problem. I had the same issue on my laptop that uses Windows XP MCE SP2 and one of my computer updates (i recently reset to factory settings) was IE 8, not really caring that it was IE 8 and I use firefox I installed it anyways, Lo and behold it fixed it, i can shift+q and Alt+tab out of the game and bring it up. Not to leave this all up to dumb luck i Installed it onto my desktop which was having the same issue IT FIXED it, install IE 8 from the microsoft website and it -Should- Fix this issue.