Retrieving the COM class factory for component with CLSID error: 80040154 Class not registered

i am building application for zkteco attendance device to generate monthly reports by using zkemkeeper.dll. i have added Interop.zkemkeeper.dll in reference then added my code but when i try to create object of zkemkeeper

public zkemkeeper.CZKEMClass axCZKEM1 = new zkemkeeper.CZKEMClass();

i receive error while debugging

Retrieving the COM class factory for component with CLSID {00853A19-BD51-419B-9269-2DABE57EB61F} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

even i tried stackoverflows solution but its not working. i set debugging platform x86 and x64 too. am using windows 10