In this post, you’ll learn more about the Error TPM_20_E_BAD_CONTEXT – 0x80280150 that is returned when working with the COM-based APIs in Win32
Win32 COM Error
TPM_20_E_BAD_CONTEXT – 0x80280150
Win32 COM Error Error Description
TPM 2.0: Context in TPM2_ContextLoad() is not valid.