BTW QB, FWIW, I don't understand why all these other people are saying the gamepad driver improved their scenario and it didn't do much for you. It only targeted button presses, not stuff like menu opening, etc.
I'll continue to try to tweak this. I posted info on reassigning what the buttons do. You might try disabling the menu button using that info and a hex editor to see if it fixes your problem (I suspect the lines are multiplexed and pressing the two buttons is shorting both lines for the menu button)
Can you clarify autofire? This is a game thing, so it shouldn't affect anything system-wise.