Component Object Model (COM) Error – TPM_E_DEFEND_LOCK_RUNNING 0x80280803

In this post, you’ll learn about the error “TPM_E_DEFEND_LOCK_RUNNING 0x80280803” that is returned when working with COM based APIs or libraries in Windows.

COM Error Message


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 TPM is defending against dictionary attacks and is in a time-out period.