Dungeons intro starts, game goes to background and says "click any button".  When clicked, a 'blank' error looking field pops up with no text and just an 'X' to close.  Nothing happens. If the 'X' is clicked, the game goes to "click any button" again and if any button is clicked the game give the spinning redstone block symbol as if it is loading.. but nothing ever opens and game doesn't start.  Screenshot of blank error field is attached.