Using OS X 10.9.5 I got this message after logging out and back in with different UID. Screen is frozen except I can move the mouse courser around just cannot select anything. Display sleep mode does work. How long does this take? Is there a key combination to stop optimization or reboot?
For more context please see link: What is happening when my Mac is being optimized after an OS X update?
Again, the screen is frozen including clock. Can move mouse and trackpad cursor but cannot select anything. Keyboard works only to wake machine.
Ok, so I tried the hard reboot option and that seems to have worked thus far. Then tried two soft restarts and no problems either. Been using Mavericks over a year now and never had a problem, so I''m gonna run my antivirus software and backup before deciding on what to do with spotlight or the problematic user profile. Funny, I've waited for Yosemite and iOS 8 to mature and was just preparing my machines for the upgrades.