text: i downloaded a mkv file and it plays but no sound to it, so what media player would be good to play mkv files? this  file i downloaded is a movie and it's an mkv and everytime i try mkv files they say "playing movie but streaming will have problems" and for those of you out there no it's not a porno so i was wondering which media player out there would be good to play all the functions of a mkv video file. download vlc media player and give it a shot  choose the installation for your o/s from here: http://www.videolan.org/vlc/