Prohibit closing items: registry value NoClosingComponentsUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\ActiveDesktop

Policy ID
sz_ATC_DisableClose
Scope
User Configuration
Supported on
Windows Server 2003, Windows XP, and Windows 2000 only
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Desktop › Desktop

Registry

NoClosingComponents

-User