sick of buffer under runs when copying(Discjuggler2.0)

Turn off all programs that start with windows. (anti-virus, pc-anywhere, ect.)
Turn off screen saver & powersaving stuff
Reboot your computer.
start DJ (don't run any other programs first)
load the iso file
click burn
then don't do anything. don't even move the mouse. just leave your computer untill the CD is finished burning.