Could not load the preferences panel Desktop
i can't change the theme of the desktop. Every time i receive: Could not load the preferences panel Desktop & Screen Saver.
Could you help me? The problem started after I installed Yosemite!!
Mac Book Air 13"(2012)
1,8 GHz Intel Core i5
4 GB 1600 MHz DDR3
MacBook Air (13-inch Mid 2012), Mac OS X (10.2.x)
