I need to block the possibility for a single user to change the desktop background, or at least to make it possible only by inserting his password on OS X Lion / Mountain Lion.
I want to lock every possibility, from iPhoto to Safari…
MacOS – How to completely disable desktop background change
desktopmacos
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Best Answer
One possible solution would be to set the permissions on
~/Library/Preferences/com.apple.desktop.plistto be read-only for the user.