Error 0x800401F3

Value: -2147221005 | 0x800401F3 | 2147746291

What does it mean ?

CO_E_CLASSSTRING  
Invalid class string
Value: 499 | 0x01F3 | 0b0000000111110011

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

StackOverflow

Other Errors for FACILITY_ITF