i download a song and play it. the song can be fine for a while until out of nowhere the next time i want to play it it says that it could not play the file and it couldnt be found. why does this happen?!?!?! how do i fix it?...thanks in advance

You're refering to a song in a playlist right?! If you move a song file out of the Shared folder after you added it to a playlist (be that a LW's media player playlist or WMP playlist, etc.) then the playlist won't work. So you should move the song file to where you want to store it 1st & then create a playlist for it. A playlist is simply a reference file that tells the player where to find the song. So if the song's been moved after creation of playlist it then won't know where it is.