If you select files to export to a CD or DVD through the ExacqVision Client software, but you cannot actually burn the CD or DVD, it is possible that you are using low-quality optical disks. Try replacing the blank optical disk with a new one perhaps from a different manufacturer. Low-quality optical disks are prevalent; the following third-party web site is a useful resource for identifying high-quality optical media:
http://www.digitalfaq.com/reviews/dvd-media.htm
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