In this post, you’ll learn about the error “CERT_E_UNTRUSTEDROOT 0x800B0109” that is returned when working with COM based APIs or libraries in Windows.
COM Error Message
CERT_E_UNTRUSTEDROOT 0x800B0109
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 certificate chain processed, but terminated in a root certificate which is not trusted by the trust provider.
