or you can simply download divx i use window media player. i used to get that error all the time cant play ladadada and i deleted the file that took over sumtimes 5 hours to download on bad days ofcourse. finally i clicked web help on the pop up. it was simple like he said you need updated codex it reccomended divx downloaded and done i dont even use divx but i have the codecs now lol. so ya for people who use windows media player for xp there ya go
Ace