Retrieving the COM class factory for component failed

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


Error:
Retrieving the COM class factory for component with CLSID failed due to the following error: 80040154

Solution:
Microsoft Visual Studio
1. Select the project;
2. Right-click mouse;
3. Properties;
4. Build;
5. General;
6. Plataform target change to x86