Start Menu and Cortana Aren't Working
Lynchburg 24503 : Remote computer support fixes Windows 10 start up problems.
Start Menu and Cortana Aren't Working could be a common problem for the users of the new Windows 10. Microsoft is aware of it. User groups and forums offer various methods and suggestions. Amgeek fixes it.
Fortunately, this is one of the computers I monitor so I could connect to it immediately. It could be that recent updates were not getting installed. The appeared to be going in during the several restarts it took to get this computer fixed. Even after I was able to boot to the desktop without error there were still some updated coming in so I finished them all. $68.75