I do remember all of my computers recently having a message panel pop up that 
said something about a security update.  This was the first time that I recall 
thinking that the update had been performed without asking for my permission.  
Are you saying that perhaps the update produced this behavior?  I suppose it's 
possible, though only one of my computers is having this problem.  Could the 
bug be hardware-specific?

Thanks,

Gregg

On Jan 3, 2015, at 5:35 PM, George N. White III <[email protected]> wrote:

> Some systems are reported to be getting automatic updates of ntp.  It 
> wouldn't be a big surprise to find that the automatic updater is buggy as 
> this may be the first time Apple has used it for large scale updating.
> 
> On Fri Jan 02 2015 at 3:11:10 PM Dinse, Gregg (NIH/NIEHS) [C] 
> <[email protected]> wrote:
> Hi,
> 
> I have a Mac Pro tower that is running Mountain Lion (10.8.5).  When I came 
> to work this morning, some settings on my machine had changed.  My computer 
> seemed to be in a deep sleep, though I had previously set it to never sleep.  
> Sure enough, the Energy Saver setting (in System Preferences) had been reset 
> to "Put hard disks to sleep when possible."  Maybe a sysadmin adjusted some 
> of my settings, but that seems strange.
> 
> I also noticed that all of the internal hard drives had icons on the desktop, 
> even though I had previously had the Hard disks box unchecked in the General 
> tab of Finder Preferences.  When I looked, the box was now checked, so that 
> explains why the disk icons are on my desktop.  But when I try to uncheck 
> that box, nothing happens.  I seem to be able to check and uncheck other 
> boxes in Finder Preferences, but not any of the 4 that control which items 
> show on the desktop.
> 
> Does this mean that my system or hard drive has somehow been corrupted?  I 
> rebooted in Recovery Mode and ran Disk Utility to repair the boot drive and 
> to repair permissions, but that did not help.  Is there a command line option 
> to control what is shown on the desktop?  Is there some plist file that I 
> should delete?
> 
> Thanks,
> 
> Gregg
> 
> P.S. Probably this is a sign that I should upgrade to Mavericks. :)

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