1) Do you see the same artifact with every movie you encode?
2) Why are you HandBraking a m4v movie into a m4v movie?
3) Does the original m4v movie play OK on your computer?
4) If yes, where did it come from? If purchased from iTunes, it has DRM protection, so you can't use it outside your own iTunes account. That's the whole idea of DRM copy protection.
2) Why are you HandBraking a m4v movie into a m4v movie?
3) Does the original m4v movie play OK on your computer?
4) If yes, where did it come from? If purchased from iTunes, it has DRM protection, so you can't use it outside your own iTunes account. That's the whole idea of DRM copy protection.