STEPS:-

Click Start, type gpedit.msc and press Enter

Go to the following location:

Local Computer Policy | Administrative Templates | System | Logon

Set Hide entry points for Fast User Switching to Enabled

Quit the Group Policy Editor.



To enable appropriate policy and administrative users to switch to hide the buttons, the Start menu and user interface, log on with the Task Manager. Note that if there is a particular version of Windows Vista. Instead, configure the settings to meet the secretary.