Error 0x8004131F

Value: -2147216609 | 0x8004131F | 2147750687

What does it mean ?

SCHED_E_ALREADY_RUNNING  
An instance of this task is already running.
Value: 4895 | 0x131F | 0b0001001100011111

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF