You don't have an NVidia Driver, you have an NVidia DVD Decoder. And yes, you would have to have Live or Recorded TV running, windowed in the lower left, in order to adjust the properties of the decoder, since that's what is used to render the TV picture.
--
Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security
Win 95/98/Me/XP Tweaks and Fixes
http://www.dougknox.com
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http://www.dougknox.com/xp/utils/xp_securityconsole.htm
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"Alan B" <AlanB@discussions.microsoft.com> wrote in message news:10F67E06-68A8-4C88-9AFB-0E7E63234AD0@microsoft.com...
>I have the latest Nvidia driver and i now notice a plug in for more
> programs. The driver before required me to open the edit from the system tray
> to change the brigthness, contrast etc.. I ran the more programs options but
> when tried to change the config it tells me can only use when live tv or dvd
> playing. Well it is. Is this a bug? Does anyone else's work? I am not using a
> nvidia card but an ATI tuner could this be the reason?
>
> Anyone have any ideas.
>
> Alan