How do I fix you’ve been signed in with a temporary profile error Windows 10?

How to fix "You have been logged in with a temporary profile" errors in Windows 10 (February 2020 update)

1. Boot into Safe Mode by clicking "Restart" while holding the Shift key on the login screen.
2. Reboot back out of Safe Mode. Your PC should start normally and restore your user profile.

26-Feb-2020