You need to format a new DVD disk before you can begin burning information onto it. If you have a DVD-RW disk, you can reformat it to erase all the data on it and use it again. Formatting a disk in Windows XP is very much like formatting a disk in Vista. Your XP system, however, may not recognize a DVD-RW if you haven’t updated all of its drivers, particularly the Universal Disk Format driver. Writer Bio

How to Format a DVD Disc With Windows XP - 39