Disable changing default browser check: registry value Check_If_DefaultUserHKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel

Policy ID
RestrictCheckBrowser
Scope
User Configuration
Supported on
Only Internet Explorer 5.0 through Internet Explorer 9.0
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Internet Explorer

Registry

Check_If_Default

-User