how upgrade interstat8001 via dwld pro 1.9.3?please

My Satellite Setup
:-HoHo hi could any one tell me how can i upgrade golden inter star dsr 8001-s or any reciver via download program STB download program 1.9.3 please??
i should say when i do upgrade my reciever i wont clear the chanel list and first i will connect cable from pc to reciever with unpluge for reciever and then i open the stb dwnld program and i load the boot software and i press the connect and i will pluging reciver and even i can see when boot software running to the reciver and i will load the software but when i connect the reciver nothing happend i dont know where i have got mistake, so if any one can help me i will approtite it.
thanks mehdi:-snowman