Critical software update required, but an error was encountered... Stuck

App & System Services Core OS
Uelsimon OP
Created
Replies 51
Boosts 4
Views 85k
Participants 71

Installed Mojave, and worked fine at first. Did a restart and now I can't get past the following message.


It boots,. WiFi setting screen appears, then when I try proceed it says:


A critical software update is required for your Mac, but an error was encountered while installing this update.

Your Mac can't be used until this update is installed

[Shut down] [try again]



But it never passes that point.


Any thoughts?


I can't reinstall high Sierra either.

Replies  51
Boosts 4
Views  85k
Participants  71
Guillerzf OP

Bypass Critical Update: A Workaround

I’ve discovered a method to bypass the critical update screen. Here’s how you can do it:

When the update screen appears:

  • Press Ctrl + Alt + Command + T to open the Terminal.
  • Run the following commands:nwindow su <admin_user> sudo killall loginwindow

This will bring up the normal login window, allowing you to use the computer

Persistent Fix (Avoid Repeating the Process on Reboot):

  • Follow the same steps to open Terminal when the update screen appears.
  • Then, execute these commands:

su <admin_user> sudo dscl /Local/Default -delete /Users/_mbsetupuser sudo killall loginwindow

Issues Encountered:

  • Touch Bar, Touch ID, and Camera: These features stopped working for me after applying this fix.
  • Authentication in System Preferences: Clicking the lock icon in System Preferences does not prompt the authentication dialog, which is a significant issue.

Question:

Has anyone found a way to resolve the authentication problem in System Preferences or encountered similar issues? Any suggestions or alternative approaches would be appreciated!