DVD+RW plays DVD's Chopy help please

I have a NEC 3100AD DVD+RW every time I play a dvd its all chopy it doesnt play the dvd like it should. I have Dell 8400 P4 3.0 I have a GeForce 9800, a gig of ram, and 160 gigs of hard drive space. I dont what the deal is and I need some help please help.

What is the MID code of the DVD+RW disc?
What is the booktype?
What drive are you playing the DVD+RW disc in ?
Does it play choppy in all drives and standalone players?