Component Object Model (COM) Error – TRUST_E_CERT_SIGNATURE 0x80096004

In this post, you’ll learn about the error “TRUST_E_CERT_SIGNATURE 0x80096004” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

TRUST_E_CERT_SIGNATURE 0x80096004

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 signature of the certificate cannot be verified.