Class not registered exception – SharePoint 2013

Retrieving the COM class factory for component with CLSID {BDEADF26-C265-11D0-BCED-00A0C90AB50F} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG)).

The console application is running under 32 bit processor. Just change it to 64 bit.
To do this:

  • Right click on Console Application
  • Select Properties
  • Under Build Tab, change Platform Target to x64
  • Rerun the application and hopefully the error should go away now !

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