Error 0x80043642

Value: -2147207614 | 0x80043642 | 2147759682

What does it mean ?

FTE_E_INVALID_PROG_ID  
The protocol handler index passed to the OnDataChange function is invalid.
Value: 13890 | 0x3642 | 0b0011011001000010

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