Do this to set up VOD correctly
1. Go to Setting in VOD
2, Go to External Players and Choose “Add Player”
3. Choose VLC Player
4.Back out one, and go to Player Selection.
5. Next To movies click Built in Player, and Change to VLC, ONly do this with Movies
6. If you are still having trouble after this, be sure to avoid the 4k Movies. 4k movie require a lot of internet, and you if you dont have at least 40Mbs testing speeds on the box the 4ks will not work.