Well fellow forum members with the help of another member who but me on the right track I sussufully made working backup copies of my D3 Navigation disc, East and West, very simple with the correct program and a DVD Burner that burns dual layer DVD's and a few Dual Layer DVD's
I use the Verbatim brand, What I did was get a copy of the program DVD Decrypter, insert your orginal disc into the burner then open Decrypter up under Mode choose the to make a ISO file in the Read mode, then sat back and wait for it to do its thang. It takes around 30 min. besure and save the file to a folder on your