Are you using IE, and if so which version? or are you using another browser like firefox or opera?Well, if you are using firefox, flash 9 is not yet properly configured and a great deal of people are having a great deal of trouble playing and watching videos correctly...if you are using IE , then make sure you have correctly downloaded the Flash Player 9, ( here is a direct link for ya,
http://www.adobe.com/shockwave/downl...com/flash.html well i hope that helps