About 1/4 times I exit a game, the screen goes black, and refuses to return me to a windows desktop. The only solution is to press the power button to put my computer into sleep mode, then turn it back on. (Keyboard is unresponsive)
Wondering if anyone knows what would cause this.
Game itself runs fine and is very enjoyable

P4 3.4 GHz
1 GB RAM
128MB NVIDIA GeForce FX Go5700