eLizenzer USB stick not recognize in PC

I have a new computer with the ASUS Z97-A motherboard. When I put the USB stick with the eLizenzer in an USB port, the red light go’s one for about 10seconds and then nothing. There is also no pop-up in Windows (8.1) of new hardware found.

I treyed all the USB ports and, but nothing. All my other USB devices (Phone and HDD) are working well.

Dos anybody now what to do?

Problem is solved!