Allow third-party browser extensions

Policy ID: Advanced_EnableBrowserExtensions
Scope: Computer Configuration, User Configuration
Supported on: At least Internet Explorer 6.0 in Windows 2003 Service Pack 1
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Internet Explorer › Internet Control Panel › Advanced Page

Description

This policy setting allows you to manage whether Internet Explorer will launch COM add-ons known as browser helper objects, such as toolbars. Browser helper objects may contain flaws such as buffer overruns which impact Internet Explorer's performance or stability.

If you enable this policy setting, Internet Explorer automatically launches any browser helper objects that are installed on the user's computer.

If you disable this policy setting, browser helper objects do not launch.

If you do not configure this policy, Internet Explorer automatically launches any browser helper objects that are installed on the user's computer.

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Internet Explorer\Main View registry values

Enable Browser ExtensionsREG_SZ

UserHKEY_CURRENT_USER

HKCU\Software\Policies\Microsoft\Internet Explorer\Main View registry values

Enable Browser ExtensionsREG_SZ

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