Trouble reading KeyDown and KeyHit in BlitzPlus

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This machine is a Dell PowerEdge 600SC, P4 1.8 Ghz, 1GB RAM, nVidia GeForce4 440 MX, SoundBlaster Live!... I have it hooked up to a USB KVM with Sound. I thought that may be a problem so I plugged in a ps2 keyboard. No dice...
It's strange because the functions seem to work except when used with the while loops.