Error 0x80245101

Value: -2145103615 | 0x80245101 | 2149863681

What does it mean ?

WU_E_SIH_VERIFY_DOWNLOAD_ENGINE  
Verification of the servicing engine package failed.
Value: 20737 | 0x5101 | 0b0101000100000001

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE