Asuro robot Flash problem

[H.W. Nieboer]

I have an asuro robot but a have a problem getting it working. I have a computer with windows vista and after installing hyperterminal for vista I tryed to get flash working. It was not possible to get the test program in flash and when I pushed down the "program" button I got the information that my serial port was already in use.
Has anyone experience with this problem and how to solve it?