lamopuri ..here's a link that will guide you ,

step 1       http://www.youtube.com/watch?v=mDOXbYE6Stc&feature=related

its a guide to download a Codec that helps you to play your .mov file on media player, if it plays on your media player after downloading the code im sure it will play on  Windows live movie maker ! best of luck ! write me back...kaam fateaa garayea ra chodnu parchaa !!


step 2    the link shown on the video is this
http://www.afterdawn.com/guides/archive/how_to_play_mov_files.cfm