iv been out all day filming for a vid...was hoping to have it out today basically when i try to import my file into widows movie maker it says "The file E:\DCIM\100FSCAM\MPEG0078.AVI cannot be imported because the codec required to play the file is not installed on your computer. If you have already tried to download and install the codec, close and restart Windows Movie Maker, and then try to import the file again. i havent a friggin clue what to do someone help me