Ive had similar problem with animations made with 3dmax, 3drhino and bryce.
Once the animation is saved as AVI Mediaplayer or anyplayer wont play it..
found this codec pack, which solved it..
http://www.softpedia.com/get/Multime...-Package.shtml
Have fun
Martin / Eqvaliser
"MTR73" <MTR73@discussions.microsoft.com> skrev i meddelelsen
news:AF1F74A6-9079-467E-939E-DF8F2FA8AE92@microsoft.com...
> For no apparent reason, most of my media files (WMA, WMV, etc) are
> playable
> anymore in WMP11 running on Vista Home Premium. I get the following error
> message:
>
> Codec is missing
> Windows Media Player cannot play the file (or cannot play either the audio
> or video portion of the file) because the Windows Media Audio 9 Standard
> (161) codec is not installed on your computer.
>
> The missing codec might be available to download from the Internet. To
> search for the Windows Media Audio 9 Standard (161) codec, see
> WMPlugins.com.
>
> Needless to say, I've clicked on it, 'installed' the codec and rebooted
> about 100x to no avail. This is troubling as I"ve got tons of content
> that I
> can no longer play, and I can't uninstall/reinstall WMP11 because it's
> hard-wired into Vista. HELP!