From what i recall, MP4 needs a special plugin in order to play in Win Media.

You can probably find a link to the plugin on the Microsoft website.

I was going to encode all of our movies in the members area using the MP4 standard but realized after the first one that a lot of surfers probably wouldnt have the additional plugin installed so scrapped that idea, at least until MP4 becomes smewhat of a 'standard'.

Regards,

Lee