Hi all,I developed an application that uses Microsoft.Office.Interop.Word Version 11.0.0.0 .I developed this appliaction on VS2005 on 32 bit machine.An d it works fine on local serverThen i uploaded this application on Server which have 64 bit machine an IIS7. On this sever the MS Office 2003 has installed.When i m trying to access the application the there is Exception came" System.Runtime.InteropServices.COMException (0x80040154): Retrieving the COM class factory for component with CLSID {000209FF-0000-0000-C000-000000000046} failed due to the following error: 80040154. " Please give me solution of this problem. I m suffering from this exception since last 2 weaks.Thanks in Advance.