System Preference Extension Grayed (disabled)

Hello.
Macbook Pro with Yosemite 10.10.2
I am the administrator.
In system preference:
Extension, sharing, and profiles are unable to be opened. They are "grayed' out.
I was wondering if this had anything to do with a workgroup manager being able to disable this?
I've googled this and nothing really works. I've logged in as root and done a rest. If I double click the tab in the dock the options are available; however, the function is not available. So that fix didn't work.
How can I get this to be available?
Thanks

Trry this, Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, then move this file to the Desktop.
(Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)
/Users/YourUserName/Library/Preferences/com.apple.systempreferences.plist
Try opening .mac in Safe Mode, reboot.

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System Preference Extension Grayed (disabled)

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