Remove and prevent access to the Shut Down, Restart, Sleep, and Hibernate commands: registry value NoClose (HKCU Explorer)UserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID

NoClose

Scope

User Configuration

Supported on

At least Windows 2000

Source

Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)

Category

Start Menu and Taskbar

Registry