Error 0x80040D86

Value: -2147218042 | 0x80040D86 | 2147749254

What does it mean ?

GTHR_E_NOTIFICATION_START_ADDRESS_INVALID  
The content source for this alert must refer to a valid file system directory
Value: 3462 | 0x0D86 | 0b0000110110000110

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