Error 0x80249004

Value: -2145087484 | 0x80249004 | 2149879812

What does it mean ?

WU_E_INVENTORY_UNEXPECTED  
There was an inventory error not covered by another error code.
Value: 36868 | 0x9004 | 0b1001000000000100

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE