Only one button! USB-UIRT can't recognize on my remote

After a reinstall of the drivers, I was finally able to get my remote to learn the numbers with BeyondTV 3.5.Unfortunlately, the only number that couldn't be learned was the number 8. I am trying to get my Hughes DirecTV recviever to work with the USB-UIRT.
What should I do to get USB-UIRT to learn number 8?
What should I do to get USB-UIRT to learn number 8?