Getting exception while creating instance

Hi,

I am new to Lotus development. I have developed C# console application to read the mail. When I execute the console application getting exception while creating the instace.

below code getting exception.

Domino.NotesSession s = new Domino.NotesSession();

Exception:

Retrieving the COM class factory for component with CLSID {29131539-2EED-1069-BF

5D-00DD011186B7} failed due to the following error: 80004005.