Hi: I don't know if this is a Fab issue or not and was wondering why about 3/4 the way into a letter boxed movie i see a rectangle white box in the black letter boxed bars in the lower right side for a few seconds.Is this inserted by Fab for a layer break or other reason or is this something their adding to the blu-ray dvds?. I noticed this in the last few months only its hard to miss but doesn't last that long while viewing and it happens only once per movie.This is not a movie reel change mark for theaters as there in the upper right side and round plus a movie theater wouldn't have those letterbox black bars that you can see.