Error 0x80240FFF

Value: -2145120257 | 0x80240FFF | 2149847039

What does it mean ?

WU_E_UNEXPECTED  
An operation failed due to reasons not covered by another error code.
Value: 4095 | 0x0FFF | 0b0000111111111111

Where does it come from ?

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

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