Each attempt to move/copy files to a new CD ( including periodic 'backup' of all files)is met with this message. I haven't changed anything ( same type CD/DVD-RW that I've always used).The only change to my computer (Dell Desktop with XP system) that I am aware of was instituted by Norton when they recently uninstalled their software and downloaded( a paid service) a new version.Any suggestions?1 person needs an answerI do too