Component Object Model (COM) Error – CO_E_LAUNCH_PERMSSION_DENIED 0x8000401B

In this post, you’ll learn about the error “CO_E_LAUNCH_PERMSSION_DENIED 0x8000401B” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

CO_E_LAUNCH_PERMSSION_DENIED 0x8000401B

What is COM?

Microsoft’s COM stands for Component Object Model. Component Object Model (COM) is a networked, object-oriented framework for building interoperable binary software components.   Microsoft’s OLE (compound documents), ActiveX (Internet-enabled components), and other products are built on the COM base technology.

Error Description

Below is the description of this COM Error.

The client is not allowed to launch this server.