Do you possible have another USB calbe to use to try this again?
Also, how many USB devices do you have plugged into your system?
Lastly, have you tried installation using a different USB port?
1 If you have another USB cable, try installing again (first unplug) and install using a different cable AND port.
2. If you have any USB devices you can unplug first (except keyboard and mouse) please unplug them too before you re-install with the new cable and port.
After - please let me know if anything different.
Bob