An MPEG2 decoder is not included with any Windows XP variant of Media Center
(2002, 2004 or 2005).
You'll have to use a trial version or purchase a full MPEG2 decoder.
Cyberlink (PowerDVD) or Intervideo (WinDVD) are popular choices today though
there are others that are available.
--
Jason Tsang - Microsoft MVP
Find out about the MS MVP Program -
http://mvp.support.microsoft.com/default.aspx
"John McGaw" <> wrote in message
news:%23QXmovB$...
> On my homemade HTCP I had to do a fresh re-install of MCE after the
> original 750GB WD drive went AWOL. Put in a new Samsung "green" 1TB drive
> and did a fresh install from scratch using the OEM set that I had bought
> when I built the machine. The problem (or at least the first one I'm
> tackling) is that live TV doesn't work. It was working fine using an
> Avermedia low-profile tuner under the old install. Now I find that even
> simple things like scanning for OTA channels doesn't work. Tried to watch
> live TV and get the dreaded "No Decoder" message. Installed the Video
> Decoder Checkup utility and it reports no decoder is present.
>
> Should the OS install have given me some sort of MPEG-2 decoder? If one is
> on the OEM CDs, how can I install it now?
>
> MB is using Intel G33 chipset, Q6600 processor, 4Gb memory, using the
> onboard video which worked fine previous.