After enabling IE mode, you may need to adjust the security settings to permit controls to run:

and is partially supported only in the "Internet Explorer Mode" of Edge, which is being phased out. ActiveX controls do not run in standard Windows 11 apps or the modern web.

Note: If the file is in a protected system folder, you may need to move it to a user folder first to register it successfully.

If a business app requires ActiveX, migrate it to a modern web technology (WebAssembly, WebUSB, or native app). For short-term legacy access, use a Windows 11 virtual machine running Windows 7 or Windows 10 with IE11, never on the host OS.

Because ActiveX poses security risks, it is often blocked by default security settings. To allow it for a specific trusted site:

If you encounter issues during activation:

Under "Internet Explorer compatibility", set to Allow . Restart Edge.

If you are seeing "ActiveX component can't create object" or similar errors in Windows 11:

With Microsoft Edge based on the Chromium project and Internet Explorer retired, running ActiveX controls on Windows 11 requires a strategic approach, primarily through . What is ActiveX in Windows 11?