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System Preference has question mark

System Preference does not open and shows a "?" in the dock icon. It does not show up in Finder either.

iMac, Mac OS X (10.6.8)

Posted on Sep 5, 2011 5:01 PM

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11 replies

Sep 5, 2011 6:18 PM in response to MichaelB8603

First, drag the ? mark straight up and off the Dock. It should go, "poof".


Launch System Preferences from your Applications folder.


When it loads you should see a new SP icon in the Dock.


Press and hold down the icon then click Option / Keep In Dock.


If that didn't help, the Dock preferences may be corrupted.


Go to ~/Library/Preferences.


Move the com.apple.dock.plist file from the Preferences folder to the Trash.


Restart your Mac.


Then try launching SP and saving the icon to the Dock.







~ (Tilde) character represents your Home folder

Sep 7, 2011 5:22 PM in response to Dave B.

When I click the Apple Icon "System Preferences" shows up.. When I click it though. Nothing happens. I do get the "?" mark over the System Preference Icon on the Dock. One item in Systems Preference that I used previously is "Parental Control". I can find it on the hard drive and I select it and try to launch, but nothing happens, either.


I am afraid that somehow my systems preferences became corrupt, or accidently got dumped to the trash and emptied.


This might mean a OS X reinstall. Which means that I have to backup everything on my hard drive. I do have some third party software that I might not be able to reinstall from my backup.


I appreciate all the help you all have provided. I was hoping that I could find an easy solution. Thanks to all! 🙂

System Preference has question mark

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