Prevent users from customizing their Start Screen: registry value NoChangeStartMenuUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID
NoChangeStartMenu
Scope
Computer Configuration, 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

NoChangeStartMenu

-UserComputer