Error 0x8024400C

Value: -2145107956 | 0x8024400C | 2149859340

What does it mean ?

WU_E_PT_SOAP_MUST_UNDERSTAND  
SOAP client was unable to understand a header.
Value: 16396 | 0x400C | 0b0100000000001100

Where does it come from ?

FACILITY_WINDOWSUPDATE  
Windows update
Value: 36 | 0x024 | 0b00100100

Other Errors for FACILITY_WINDOWSUPDATE