Error 0x80040D62

Value: -2147218078 | 0x80040D62 | 2147749218

What does it mean ?

GTHR_E_CANNOT_REMOVE_PLUGINMGR  
The application plug-in manager cannot be removed, because one or more content indexes was configured to use the plug-in. Remove all indexes, and then remove the plug-in manager.
Value: 3426 | 0x0D62 | 0b0000110101100010

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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