Brewology

Okay, so im trying to install SoftMii alpha. So, I get to where you need to run preloader. I go into the HBC, and click on app/Preloader/etc, etc. It shows me a disclaimer, and I hit "A". Nothing happens. I hit "B". Nothing happens. I try every button and nothing seems to work. I dont have anything onscreen to hit either. I waited for like 20 minutes, nothing happened. Please help!