i found out from the wacom forum, u hav to disable the driver from the device
manager labelled, "wacom virtual HID driver" found in the user interface
section.

"Ideasmiths" wrote:

>
> lllusion;539744 Wrote:
> >
> > page. How do I remove the on-screen keyboard from the logon prompt?
> >
>
> I had the same problem too with the unsightly logon screen. I found a
> solution from another 'blogger' (http://tinyurl.com/2cde2r)
>
> It is a FREE program that disable the keyboard.
>
>
> --
> Ideasmiths
>