Error 0x8050800F

Value: -2142207985 | 0x8050800F | 2152759311

What does it mean ?

ERR_MP_NOT_SUPPORTED  
Value: 32783 | 0x800F | 0b1000000000001111

Where does it come from ?

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

Other Errors for FACILITY_WINDOWS_DEFENDER