Error 0x8024A000

Value: -2145083392 | 0x8024A000 | 2149883904

What does it mean ?

WU_E_AU_NOSERVICE  
Automatic Updates was unable to service incoming requests.
Value: 40960 | 0xA000 | 0b1010000000000000

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE