The logon process hangs at the "Welcome" screen or the "Please wait for the User Profile Service" error message window

The logon process hangs at the "Welcome" screen or the "Please wait for the User Profile Service" error message window Introduction This article describes an issue that occurs when you log on to Windows 10, Windows 8.1, Windows RT 8.1, Windows Server 2012 R2, or Windows Server 2012. An update is...