Reply to VCI 100 wont "boot"

Hey guys.

I have my VCI-100 here and wanted to use it with traktor but it wont "boot".

I connected the USB-cable and turned it on. The POWER-LED turn on but nothing happens.

Windows is giving me the message that the VCI-100 isn't identified.



If i start the VCI-100 before I log in at my computer the VCI-100 "boots" up right but is unuseable.

Any Ideas?