Error 0x000401E6

Value: 262630 | 0x000401E6 | 262630

What does it mean ?

MK_S_US  
Common prefix is both monikers
Value: 486 | 0x01E6 | 0b0000000111100110

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