i create locator , file .gdb and all the needs to do reverse geocoding [arcgis 9.2] my only problem with this line in the code IPropertySet addressProperties = reverseGeocoding.ReverseGeocode(point, false); i have a strabge exception Exception from HRESULT: 0xFFFFFF75 [c sharp 2008 ] i googled but nothing the code i took the code from http://help.arcgis.com/en/sdk/10.0/arcobjects_net/conceptualhelp/index.html#//0001000001n9000000