Single Layer DVD +R Shows 8 GB worth of data when in PC, Files Duplicated 3 times — DVD Tech — DVD MP3 AVI MP4 players codecs conversion help

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I have created a DVD +R in my Panasonic DMR-ES10. When i put the finalized
disk in my pc the disk shows up having over 8 GB of data on it with all the
video files on the disk duplicated 3 times. This is causing problems for
what i need to do with the disks. Has this happened to anyone else/anyone
know how to fix this?