Here is yet another Solid release of Navi-X 4.0 which is fixes and speeds up the Navi-x with XBMCHUB repo so you don’t require to update anymore..
What you need:
Fusion Http Servers: http://goo.gl/xbzo46
Add-On Installer: http://goo.gl/muxpe1
(( NOTE: if your having issue with the add-on please to official website for support http://goo.gl/odv2VR ))