Unable to cast COM object of type 'Microsoft.Office.Interop.PowerPoint.ApplicationClass'

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Unable to cast COM object of type 'Microsoft.Office.Interop.PowerPoint.ApplicationClass' to interface type 'Microsoft.Office.Interop.PowerPoint._Application'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{91493442-5A91-11CF-8700-00AA0060263B}' failed due to the following error: Library not registered. (Exception from HRESULT: 0x8002801D (TYPE_E_LIBNOTREGISTERED)).

I am unable to finding solution please any one help in this?

c#
interop
asked on Stack Overflow Jun 9, 2015 by Mohan Reddy • edited Jun 11, 2015 by Soner Gönül

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