What is "Data Under-run"?

 Data Under-run is when your computer system or CD reader does not transfer data at a rate fast enough for the requirements of the CD Recorder.

 This will result in
         - a CD-R disc that can no longer be used, or
         - a CD-RW disc that must be Erased to be reused.

Ways to Prevent Data Under-run
  1. Quit most programs, including anti-virus programs, before recording
  2. Limit starting new programs during recording
  3. If you are performing CD to CD record, set the Reader speed greater than the Recording speed
  4. Defrag your hard disk before copying from Hard Disk to CD
  5. Increase your system memory