Error 0x8024001F

Value: -2145124321 | 0x8024001F | 2149842975

What does it mean ?

WU_E_NO_CONNECTION  
Operation did not complete because the network connection was unavailable.
Value: 31 | 0x001F | 0b0000000000011111

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE