Disable the Content page: registry value ContentTabUserHKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel

Policy ID
ControlPanel_RestrictContentTab
Scope
Computer Configuration, User Configuration
Supported on
At least Internet Explorer 5.0
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Internet Explorer › Internet Control Panel

Registry

ContentTab

-UserComputer