Error 0x80240021

Value: -2145124319 | 0x80240021 | 2149842977

What does it mean ?

WU_E_TIME_OUT  
Operation did not complete because it timed out.
Value: 33 | 0x0021 | 0b0000000000100001

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE