Google Chrome	70.0.3538.76 (Official Build) (64-bit)
Revision	22757df8a5ddfacf2eaf57b85f4ea54c14b8f87a-refs/branch-heads/3538@{#1031}
Platform	11021.56.0 (Official Build) stable-channel cave
Firmware Version	Google_Cave.7820.384.0
Customization ID	ASUS-CAVE
ARC	5081697
JavaScript	V8 7.0.276.31
Flash	31.0.0.122 
(The version info above is after the critical update was applied)

What steps will reproduce the problem?
(1) Sign out currently logged in user
(2) Screen goes black for about 30 seconds
(3) See a message that a critical update is being applied

What is the expected result?
Once update is applied, see sign in page where you can sign back in with an existing user or add a new person to the computer.

What happens instead?
After update was applied, went through OOBE and lost the profile of the existing user.

This computer had only one user profile before the update.