Powerpoint presentation using c#

Question

Hi Guys,

 

I  am working on Powerpoint presentation using "Microsoft.Office.Interop.PowerPoint.dll" 

 

I can able to create the powerpoint and download the presentation in development source, when i host in IIS server it shows Error like this

 

"Retrieving the COM class factory for component with CLSID {91493441-5A91-11CF-8700-00AA0060263B} failed due to the following error: 80040154 Class not registered (Exception from HRESULT: 0x80040154 (REGDB_E_CLASSNOTREG))."

 

Anyone help me out to finding the solution

 

Thanks in advance.