The description on Apple Forums is really clear, so if in doubt, go there. I repeated the last to steps for all users + root.At the bottom, under Reset Home Directory Permissions and ACLs, click Reset.Type resetpassword and hit enter (no worries).In recovery mode, launch terminal (from utilities menu).Unfortunately, in recent versions Apple has made it complicated to clean up that directory effectively by trashing files because cfprefsd manages the real preference info and you need to talk nicely to it with the defaults utility.Īnyway, I fond that every time I tried to change the preference I got a sequence of log entries like this: Jul 14 18:14:03 extravagant sharedfilelistd : [ + 2>&. The only thing that isn't fresh about it is my account, which has been replicated across 5 machines and 12 major MacOS versions using Migration Assistant when possible, leaving it with a fair bit of cruft in ~/Library/Preferences/. I ran into this today on a month-old iMac.