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Using X86 COM interop with ASP.Net application in Windows x64

It has been almost two months since my last post. It has been very busy here.. I got several good notes with one my previous post , about using x86 COM interop in x64 environment. I also had few questions about using x86 COM interop with ASP.Net application

x86 COM Interop in x64 Environment.

I encountered a problem with one of my application. It stops working when I executed it on Windows 2003 Server 64-bit. It threw an exception: Retrieving the COM class factory for component with CLSID {GUID HERE} failed due to the following error: 80040154.
 
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