Remove Default Programs link from the Start menu.: registry value NoSMConfigureProgramsUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID
NoSMConfigurePrograms
Scope
User Configuration
Supported on
Windows Server 2012 R2, Windows 8.1, Windows RT 8.1, Windows Server 2008, Windows Server 2003, Windows 7, Windows Vista, Windows XP Professional Service Pack 1 and Windows 2000 Service Pack 3
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Start Menu and Taskbar

Registry

NoSMConfigurePrograms

-User