cannot start debugging c# app i get error list

Error   1   Could not determine the dependencies of the COM reference "CRQUERYENGINE". Error loading type library/DLL. (Exception from HRESULT: 0x80029C4A (TYPE_E_CANTLOADLIBRARY))    WindowsFormsApplication2

Error   2   The item "obj\Debug\WindowsFormsApplication2.Purchase.resources" was specified more than once in the "Resources" parameter.  Duplicate items are not supported by the "Resources" parameter.    WindowsFormsApplication2

Warning 3   The custom tool 'CrystalDecisions.VSDesigner.CodeGen.ReportCodeGenerator' failed while processing the file 'CrystalReport2.rpt'.