To play MPEG2/SVCD with Windows Media Player you need a software DVD Player installed or a MPEG2 Codec. But note that playing a SVCD directly from a CD usually don't work well with Windows Media Player and Media Player can also cause audio sync problems and wrong aspect ratios(it depends on what kind of mpeg2 codec or dvd player you have installed).
MPEG-2 codec til Windows media player:
http://www.dvdrhelp.com/tools?tool=323#commentsEllers er WinDVD et af de bedre. Ved ikke om du kan se hele CD´en i deres trial version:
http://www.intervideo.com/jsp/Product_Download.jsp?p=WinDVDPlatinum