Error 0x80096002

Value: -2146869246 | 0x80096002 | 2148098050

What does it mean ?

TRUST_E_NO_SIGNER_CERT  
The certificate for the signer of the message is invalid or not found.
Value: 24578 | 0x6002 | 0b0110000000000010

Where does it come from ?

FACILITY_SSPI  
Used for status code returned by Security Support Provider Interface (SSPI)
Value: 9 | 0x009 | 0b00001001

Other Errors for FACILITY_SSPI