You need to finalise it in the device that recorded it. If that is what you are trying to do then there is a chance that the disk got damaged. If you have a DVD Writer in you PC, you could try a search on the web for some freeware or shareware to try to recover the disk.
Terry
July 2006
Automatic Answer
While you wait for answers, we may have found some information which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix dvd players.