I found the solution!
This was a user I created after the factory reset and therefore was created on High Sierra.
macOS High Sierra has a bug around the user 501 which is the very first user you create after login:
For some reason my system time was set to about 10 days earlier, likely when my system went into battery very low sleep mode.
My solution was to goto System Preferences | Date & Time, click lock, enter my admin password, and the time then auto-updated to be current and problem solved.
MacBook Pro 15" Late 2008
El Capitan 10.11.6 (15G22010)
On MacOs Mojave the accepted answer didnt work for me. What worked is to use free app Amphetamine. After app installation select the option Indefinitely. Now you can lock the screen and it will not go to sleep.
There's Wi-Fi, Bluetooth and USB-Tethering that you cannot directly toggle if you're using any of those interfaces for any purpose. Only way to stop them is to turn off the connection path itself. For Wi-Fi and Bluetooth, they should be turned off globally in Settings. For USB, detaching the cable is the way to go.
Both iOS and Mac devices can sign in to multiple Apple ID accounts:
One main "iCloud" Apple ID account for the device. This is the account used for iCloud Photos and other system features. It is very disruptive to change this Apple ID.
Multiple other lesser Apple ID accounts. These can be used to sync Mail, Contacts, Calendars, Reminders, and Notes. They ...
You are likely correct. If you get a UI that says that the system is "Pasting from [my MacBook's Name]", then this likely means that the application in the foreground of your iPhone is reading from the universal clipboard. It is unlikely that it is being read by another program in the background. So it is likely that Weather Underground is attempting to ...
I finally found the Admin trust settings. It's in a file called Admin.plist
in the /Library/Security/Trust Settings directory. Deleting this file cleared the error!
There are other files in that directory that are named <UUID>.plist, where UUID is the value of the GeneratedUID key in the user record. You can see this value with this command:
dscl . ...
It's not really meaningful to provide a blanket "yes" or "no" answer. Instead, let's look at some scenarios.
Unsophisticated attacker -- probably no.
If there is a recent high-risk security problem and you have not yet installed the latest OS update, mmmmaybe.
Limited physical access -- probably no.
If you let the attacker out of your sight even briefly, ...