saberahul macrumors 68040 Original poster Jul 26, 2011 #1 Since I upgraded to the Lion OSX, quicktime has stopped playing my mp4 files. I have to use VLC to watch them now but really like quicktime. How can I make it work again?
Since I upgraded to the Lion OSX, quicktime has stopped playing my mp4 files. I have to use VLC to watch them now but really like quicktime. How can I make it work again?