Error 0x80040D45

Value: -2147218107 | 0x80040D45 | 2147749189

What does it mean ?

GTHR_E_INVALID_EXTENSION  
The extension string is not specified or is invalid. Specify an extension string that does not contain the following characters: [./?*:\#] or spaces.
Value: 3397 | 0x0D45 | 0b0000110101000101

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

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