Hi I'm running Win7 Ultimate 64bit. My VLC 2.1.0 also stops as soon as the movie starts. All my files are .mkv's. It used to play fine with VLC 1.1.5, but after the upgrade all went south. Now after a fresh install, it still does not want to play. I've tried 1.1.5, 2.1.0 and 2.1.5. All the same resu...