Disable the Reset Web Settings feature: registry value ResetWebSettingsUserHKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel

Policy ID
RestrictResetWebSettings
Scope
User Configuration
Supported on
Only Internet Explorer 5.0 and Internet Explorer 6.0
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
Windows Components › Internet Explorer

Registry

ResetWebSettings

-User