Error 0x8024DFFF

Value: -2145067009 | 0x8024DFFF | 2149900287

What does it mean ?

WU_E_SETUP_UNEXPECTED  
Windows Update Agent could not be updated because of an error not covered by another WU_E_SETUP_* error code.
Value: 57343 | 0xDFFF | 0b1101111111111111

Where does it come from ?

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

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