Error 0x80246012

Value: -2145099758 | 0x80246012 | 2149867538

What does it mean ?

WU_E_DM_DOWNLOADFILEMISSING   
One or more of the files for the downloaded update is missing.
Value: 24594 | 0x6012 | 0b0110000000010010

Where does it come from ?

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

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