If i play windows media files within my IE (now i'm using IE7 beta,
but same sympton with IE6), sound comes up alright but video is just
plain green. If i uninstall SP2 the problem is solved but still comes
up now and then, needing a restart. But with SP2 installed, the video
is always green but sound is OK. Best example is the news clips from
CNN.COM, i can hear the sound but video is all green. But the
standalone media player plays everything fine, no green whatsoever.
Any ideas? Thanks in advance.

Your question is about to expire without having been answered, and you
might be disappointed.

A possible reason for that could be your pricing, which might be a bit
low for the type of research requested. Here is a link to guidelines
about pricing your question, in the pricing guide:
https://answers.google.com/answers/pricing.html - I hope this would
help you price your next questions on Google Answers.

Yes - the green indicates a problem with hardware video acceleration.
We don't actually know which version of media player is, though we
know about your browser - strange !

Initial options should include making sure you have the most recent
display card drivers from the manufacturer, as well as DirectX 9.0c
(latest release) from this page :

http://www.microsoft.com/downloads/details.aspx?FamilyID=0a9b6820-bfbb-4799-9908-d418cdeac197&DisplayLang=en

To repair this if updates don't have any effect, open the standalone
player, go to the menu Tools -> Options -> Performance -> Advanced

You'll need to start by turning of high quality mode in the video
acceleration area - possibly setting it to Use Overlays would be
enough. If that isn't helping, turning off the video mixing renderer
completely will almost certainly remove the green areas, at the
expense of a loss of playback performance.


HTH
Cheers - Neil Smith
MVP Digital Media