From what I can tell, “twoflower” is just the codename of VLC itself as of 2.0, so it sounds like your installation is just generally broken. But I’m not an expert on VLC or codecs.
Maybe you just have a bad computer virus? Or maybe you’re trying to use it while it’s completely submerged in water? Or maybe you’re 90 years old and communicating to us all through “the AOL”? Seriously, this is a calamity of errors. 😃