Error 0x8004536C

Value: -2147200148 | 0x8004536C | 2147767148

What does it mean ?

FSRM_E_CLASSIFICATION_SCAN_FAIL  
Classification failed on all volumes. Check the application event log for more information.
Value: 21356 | 0x536C | 0b0101001101101100

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