The "Do not allow users to enable or disable add-ons" current user setting should be configured correctly. enabled/disabled User Configuration\Administrative Templates\Windows Components\Internet Explorer\Do not allow users to enable or disable add-ons HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Restrictions Microsoft Tool: Security Compliance Manager (SCM) Microsoft Baseline: Internet Explorer 8 SCM URL: http://go.microsoft.com/fwlink/?LinkId=113940 Microsoft Security Compliance Manager (SCM) Baselines and Settings Packs Microsoft