Error 0x80040DB6

Value: -2147217994 | 0x80040DB6 | 2147749302

What does it mean ?

GTHR_E_BACKUP_VALIDATION_FAIL  
The backup image cannot be verified because the image may be corrupted. To preserve your data, it is recommended that you run Data Backup and Restore again.
Value: 3510 | 0x0DB6 | 0b0000110110110110

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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