Error 0x80244016

Value: -2145107946 | 0x80244016 | 2149859350

What does it mean ?

WU_E_PT_HTTP_STATUS_BAD_REQUEST  
HTTP 400 - the server could not process the request due to invalid syntax.
Value: 16406 | 0x4016 | 0b0100000000010110

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE