I write in english because my german is orrible. My question

I
have installed the vuplus-image-vusolose-20141128133341_vti_8-0-0_usb
and I had no problems with the digital key avermedia because the key was
recognized from the sistem .
After the update the digi key avermedia 867 is no more recognized. It seems have no drivers for the digi key . Where I can find the driver for this digital key to do a new install

Thanks