Component Object Model (COM) Error – CRYPT_E_NO_TRUSTED_SIGNER 0x8009202B

In this post, you’ll learn about the error “CRYPT_E_NO_TRUSTED_SIGNER 0x8009202B” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message

CRYPT_E_NO_TRUSTED_SIGNER 0x8009202B

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.

None of the signers of the cryptographic message or certificate trust list is trusted.

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