No Gui when Logon as User other than Administrator

[Bob]

When I logon as Poweruser, Guest or standard user, there
is a blank blue screen. No GUI but can get to Task Manager
to log back as Administrator. What settings must I
change/check?

 

[Michael Bednarek]

When I logon as Poweruser, Guest or standard user, there
is a blank blue screen. No GUI but can get to Task Manager
to log back as Administrator. What settings must I
change/check?

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