Jul 25 2011
[Fix] “Click the lock to prevent further changes” not working after Lion Upgrade
I faced this peculiar issue after I performed the Lion upgrade wherein Pushing the “Lock to prevent further changes” in System Preferences just wouldn’t work.
All it did after clicking was to change the icon for a split second and go back to the unlocked state.
Well I found the solution which finally fixed the issue for me.
Step 1: Open Disk Utility > Select your Macintosh HD > Perform a Permission Repair
Step 2:


