I am running VLC Version 2.0.8 on a Macbook Pro (OS X Version 10.8.4) This is a new computer, so I just installed VLC on it. Whenever I try to open DVDs with it, it won't read them and a yellow caution symbol appears by the Disc name: http://i.imgur.com/wgzUshS.png I have tried 3 different DVDs and ...