HELP !!!! virus controll problem , one usb L-R in cubase mixer

  • Hi I have upgraded to cubase 5 with a new install of windows xp sp3, I am using a edirol ua 1010 as my sound device and a mk1 virus ti with all the lastest firmware and os, the virus is working fine but virus control is only showing up 1 audio channel in the cubase mixer, so if I select usb2 L-R or usb3 L-R I get no sound as these are missing in the mixer, please can some one help out I have no clue what to do and starting to panic a little, Thanks and looking forward to a reply .