Is there any other way to watch it with some kind of software? I highly suspect it's the video format in the container but I'm not sure is there an easy way to change it? So what's the matter? Though the official site of Sony TV claims that it supports MKV format, many times, when you play these files, you will encounter playback issues. Actually, it can be caused by various reasons as below.
Recommend me a blu-ray player with resume after power off?
Recommend me a blu-ray player with resume after power off? - DVD Talk Forum
Conceivably, VLC is the most popular as well as powerful free and open source tool in the market. The 2. You can download the latest version from VLC official website. Feel frustrated? Don't worry! There are always solutions out there to get VLC and protected Blu-ray to play nicely.