Remove access to the context menus for the taskbar: registry value NoTrayContextMenuComputerHKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer

Policy ID

NoTrayContextMenu

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