hey guys I have a problem... I ahve been burning my dvd for about 2 years and never had a problem before. but now when i play my dvd's in my player the movie starts great! but half way or at the end of the movie it starts to freeze or you can see like little blocks in the picture! even movies that i burned before and watched that worked perfect dont work anymore.. I use clone dvd with RIDATA dvd's my burner is HL-DT-ST GSA-4167B I have tryed difent dvd's 6 difernt dvd players and the same thing! if you could help that would be great..