Apparently this must have happened to everyone who posted in this thread.
I'd jump them, pin them to the ground with their arms twisted behind their back, and threaten to break their arms if they don't answer my questions.
Your computer freezes when you try to play a game you've played countless times before, and even when you try to play the game on a different computer, it still freezes. What do you do?
Plug in and power up!