Hello everybody.
A few hours ago I started the OS X Mountain Lion 10.8.5 Supplemental Update procedure of my new iMac. About 1 hour ago the status bar -that shows the time remaining of installation - doesn't move and I don't know how to proceed now.
I need advice.
Thanks.
iMac, OS X Mountain Lion (10.8.5)
Press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly to restart.
Press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly to restart.
If it's still not done then I'd see if you can quit the installer (force quit is command-option-escape).
Next I'd make sure that there is a backup.
Then I'd boot into the recovery partition and repair your hard drive (repair permissions while you're at it.)
When to Run First Aid in Mountain Lion's Disk Utility - For Dummies
Then try the Update again.
Or you might want to wait a few days for Mavericks to come out.
You might fare better with the Combo Updater. OS X Mountain Lion Update v10.8.5 (Combo)
Thanks, I was concern about the well known phrase "do not turn off your computer until the installation finishes".
Problem with OS X Mountain Lion 10.8.5 Supplemental Update
