From armandp words:

"Current 1.1.0 has a potential deadlock issue when multihreading which is caused by the dispose logic of the GUIImage class.
What can happen is that when an GUIImage is disposed of in a seperate thread and the main thread is handling the same GUIImage the GUI just locks up."


h4. Additional Information
http://forum.team-mediaportal.com/mediaportal-releases-315/patch-solve-deadlock-improve-guitexturemanager-v3-87009/