im trying to play a video on interactual player and it says "The DVD navigator was not detected. If you don't have one installed, you will need to upgrade your system. Otherwise, try to reinstall your DVD Navigator." im currently using Satsuki Yatoshis codecs along side windows media player codecs and it still brings up that problem above. does anybody know how to solve my problem? i recently purchased nvidia dvd decoder but im not exactly sure that it did anything when i installed it because even after i installed it windows media player had problems downloading codecs.