Good point.

But, the DVD is new, clean, and plays on my DVD player and computer.
There are no marks on the disc surface.


I just got a reply from Slysoft:

They suggested that I copy the dvd to my computer with some modifications to AnyDVD 4411.

It did not work.

There was an error copying file to folder:
cannot copy vts_02_4 data error
(cycle redundancy check)



Nonetheless, SlySofts suggestions may work for you:


Eject the DVD (if already inserted).

Open the AnyDVD menu.

Under "CSS Keys" right-click onto the troy key and delete
it.
Turn _off_ the "Jump to main movie" function under "DVD".
Turn _on_ the "Copy protection" function under "DVD".

OK.

Insert the DVD again.
Leave CloneDVD closed.

Open the Windows Explorer. Go to the DVD drive.
Draw the Video_TS folder to a location on the hard drive.
Wait until the copy process is done.

Afterwards open CloneDVD and let it read from that folder on
the
hard drive.