Windows Media Video 9 Advanced Profile Update Betahttp://msmvps.com/blogs/chrisl/archive/2006/07/06/104012.aspxWindows Media Video 9 Advanced Profile Update Beta | This update allows applications such as Windows Media Encoder 9 Series to create VC-1 Advanced Profile content. The package also includes an update to the Windows Media Encoder 9 Series command-lineenCommunityServer 2008.5 SP2 (Build: 40407.4157)