There is no way to reinstall the player in Vista short of reinstalling
Vista.
What changed on the system before this broke?
What sound card do you have? What video card do you have?
Do audio-only files work?

Signature
Speaking for myself only.
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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> I'm running WMP 11 on vista home premium and i can not hear any sound when
> i
[quoted text clipped - 6 lines]
> please
> help me on this?