IF you are sure that it is a USB cable, just swap if out with another one. It is universal.
Who is your internet provider? Is it a hard wire connection?
Because air cards, Wifi and other air type connections are too unstable to hold a steady download. Securities on the PC can slow and chop up the download also.
I would suggest to try it on the Jeep.
Email me directly if your having ANY trouble with the forum.
Not able to LOGIN, email me with your Username that you registered with.