Which DVD decoder are you using?
http://zachd.com/pss/pss.html#mpeg2


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(speaking for myself and doing this in my free time)
See http://zachd.com/pss/pss.html for some helpful WMP info.
This posting is provided "AS IS" with no warranties, and confers no rights.
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"Greg" <Greg@discussions.microsoft.com> wrote in message
news:43281AE0-A9C8-463A-8D8F-B8E163E7546E@microsoft.com...
>I finally got around to upgrading to Win XP SP2 on my Dell OptiPlex, and
>now
> Windows Media Player 10 will no longer play sound on my DVD's .
>
> Any ideas would be appreciated.