first at all,sorry about my bad english.Yamaha says to me: insert an empty cdr,when the empty cdr is already in the tray.then doesn´t burn the cdr and I have to cancel the burning,because the device looks like dead.It reads cdr succesfullly.Windows detects it and Nero 5 too.I have aspi updated.I have the device 1 year ago and it has burned many cds and I haved no problem.I have been unistalling programs this week and fear have uninstall some important files.Can anybody help me?