“You are not connected to the internet” message

Carolyn said:

If you didn’t repair permissions after installing the update, do that now.

Launch Disk Utility. (Applications/Utilities) Select MacintoshHD in the panel on the left, select the FirstAid tab. Click: Repair Disk Permissions. When it’s finished from the Menu Bar, Quit Disk Utility and restart your Mac. If you see a long list of “messages” in the permissions window, it’s ok. That can be ignored. As long as you see, “Permissions Repair Complete” when it’s finished… you’re done. Quit Disk Utility and restart your Mac.

 

via Apple – Support – Discussions -.