So how will you burn the backup with "DVD-Rom" booktype
(About my problem with -RW if some people can help me, I get that on ImgBurn http://pix.nofrag.com/0/c/4/a12771e4c15cff...f2e9cb615b.html (Sorry for the French text ;-( ) and as you can see ... DVD-RW isn't in the list so I can't change...