.Open the Start Menu.
2.In the Start Menu Search box type regedit and press Enter.
3.In regedit, go to:
HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionWinlogon
4.In the right pane, right click on DisableCAD and click on Modify
5.To Disable Secure Logon, type 1.
6.Click on OK.
7.Close regedit and restart to see how it works.