Remove user's folders from the Start Menu: registry value NoStartMenuSubFoldersUserHKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID
NoStartMenuSubFolders
Scope
User Configuration
Supported on
Windows Server 2008, Windows Server 2003, Windows 7, Windows Vista, Windows XP, Windows 2000, and Windows 10
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Start Menu and Taskbar

Registry

NoStartMenuSubFolders

-User