Petter - 2013-11-02

Whenever I try to add something which resides on Mediatomb to the Windows 8.1 media player (xbox) I get "Error this location can't be added to the library":

http://oi44.tinypic.com/fnhh7p.jpg

I can browse and play the files using the Windows browser, VLC, and XBMC. Any ideas?