I feel like I am having a similar problem and I cannot understand what to do....I had a few buttons on my multicade not working so I purchased/installed new joysticks and buttons for the entire machine. I did not realize that then nothing would work. Per the advice I have been reading online, I need to launch a game and then use the TAB key to program all of my buttons. This is great except I cannot figure out how to give myself credits or launch a game from the keyboard. Is there a simple way to do this. Sorry, I am a total rookie here.