Originally Posted by Gladiator22
I have .ogg music files and they won't play in VLC player. Anyone know how to play undf files?
What? First, you're saying you got some OGG files. Second, you ask for advice on how to play UNDF files. My only guess is that VLC returns some error, and that UNDF is short for undefined. Installing the CCCP media codec pack usually resolves such issues. Give it a try.