Proposing an extension to Flarkit's solution: "in the System->Administration->Login Window, under "Security", I disabled the "Enable automatic login" option" - I enabled automatic login, then rebooted, and then disabled automatic login.
Proposing an extension to Flarkit's solution: "in the System- >Administration ->Login Window, under "Security", I disabled the "Enable automatic login" option" - I enabled automatic login, then rebooted, and then disabled automatic login.