If your having problems with windows 8 and usb 3 using an displaylink docking station please try these custom drivers. Let me know if it resolves your issues.
I make no claims though try at your OWN RISK.
http://www.2shared.com/file/oElzAmog...11_12_MOD.html
Make sure you read the "readme" first!
Sticky this post if this proves to be helpful.
Thanks,
Paul