I'm not a doctor but try this: Run in Compatability Mode
-Close the program if it is still running.
-Within Windows Explorer, go to the executable, right-click and choose Properties.
-On the Compatability tab, check the box for "Run this program in compatability mode for:
--Choose Windows XP (Service Pack 3)
-Choose OK to close the Properties window.
-Try to run the game again and tell us what happens. If you don't come back, I'll assume you're lost in the jungle on Melee Island.