Error 0x00240008

Value: 2359304 | 0x00240008 | 2359304

What does it mean ?

WU_S_ALREADY_DOWNLOADED  
The update to be downloaded has already been downloaded.
Value: 8 | 0x0008 | 0b0000000000001000

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE