In this post, you’ll learn about the error “TRUST_E_SUBJECT_NOT_TRUSTED 0x800B0004” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
TRUST_E_SUBJECT_NOT_TRUSTED 0x800B0004
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 subject is not trusted for the specified action.
