After a Ventura update, your Mac re-indexes every file. This can take 24–48 hours and makes the Mac very hot. To check, open Activity Monitor , click the CPU tab, and look for mds or mdworker . If they are high, simply leave your Mac plugged in overnight to finish.

Restart your Mac. It will behave like a new machine; follow the prompts to create a new admin account

Solving the "Failure to Personalize" error when updating macOS

Not Admin Wrong Version Or Custom Error Mac Ventura Hot Guide

After a Ventura update, your Mac re-indexes every file. This can take 24–48 hours and makes the Mac very hot. To check, open Activity Monitor , click the CPU tab, and look for mds or mdworker . If they are high, simply leave your Mac plugged in overnight to finish.

Restart your Mac. It will behave like a new machine; follow the prompts to create a new admin account

Solving the "Failure to Personalize" error when updating macOS