provide ur pc specs oso brother.
btw did u tried with newest burning software? or did u patch ur writer with newest firmware? Try check power whether enuff supply to ur drive. Power least oso can cause the problems of success burning. And what kind of software ur using to burn ur data?

Mostly ur data burning cnt success at the lead out section or?
For my experienced lite-on(love to have problems when the disc omost done cnt lead out) , Samsung (love to choose disc to read n burning sometimes can worst till cnt read or cnt write even a new drive) Asus ( previously dvdrw will have some problems but patch it with newest firmware solve my problem)