HummingBird Firmware Burner doesn't work.....

Hello all! I am using a HummingBird Duo for a school rover project, and the goal of our group is to make it wireless... However, the firmware burner doesn't work! Any suggestions on how else to change it so that it will accept an Arduino Sketch?
Link to Firmware Burner: www.hummingbirdkit.com/learning/switching-modes-hummingbird