title: Using Microsoft.Office.Interop to read excel file data giving exception. WPF app
body: <p>I have WPF application which reads excel file data and display it in on UI. I am using <code>Microsoft.Office.Interop</code> to read excel file data mainly <code>.xlsx</code>. On dev machine application is working fine but intalling and running this app on some computers it  giving me this error:</p>
  
  <blockquote>
    <p>ExcelRetrieving the COM class factory for component with CLSID {00024500-0000-0000-C000-000000000046} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)
    What could be possible solution for this?</p>
  </blockquote>