dvdfab gold is dvdfab decrypter, with added compression and vso burn engine into one program.
after you rip the disc to hard drive select write data on the left side.
or alternatively what most users do:
insert source dvd, set destination as dvd burner, choose your dvd to dvd mode (main movie), click next, click start.
if you have one dvd drive then you will need to insert a blank disc when dvdfab request. or if you have two drives then you can use one drive as source and the other as destination.
please read the official guide for dvdfab.
please feel free to ask more questions if you need help.