Component Object Model (COM) Error – CERT_E_PATHLENCONST 0x800B0104

In this post, you’ll learn about the error “CERT_E_PATHLENCONST 0x800B0104” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

CERT_E_PATHLENCONST 0x800B0104

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.

A path length constraint in the certification chain has been violated.