MahNameIzRay

i hav model MZ-NE410 and i just bought a new minidisc to put music on, i use realplayer because i updated to the new sonicstage but for some reason everytime i try to put music on it crashes. i put a full album on the minidisc t he night before and it worked perfectly but now im trying to put new songs on it and for some reason the song gets shorten and when i play it on in my mini disc it's like the song is going in fastfowartd, any one else hav this problem?