Error 0x8024043F

Value: -2145123265 | 0x8024043F | 2149844031

What does it mean ?

WU_E_PT_ENDPOINTURL_NOTAVAIL   
A URL for the requested service endpoint is not available.
Value: 1087 | 0x043F | 0b0000010000111111

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE