Error 0x80501001

Value: -2142236671 | 0x80501001 | 2152730625

What does it mean ?

ERROR_MP_ACTIONS_FAILED  
Value: 4097 | 0x1001 | 0b0001000000000001

Where does it come from ?

FACILITY_WINDOWS_DEFENDER  
Windows Defender
Value: 80 | 0x050 | 0b01010000

Other Errors for FACILITY_WINDOWS_DEFENDER