Class not registered Error

Question

Running an application from Visual Studio 2012 on 64-bit computers, displays the following error message:

Retrieving the COM class factory for compon

Answer 1

I had this problem and I solved it when I understood that it was looking for the Windows Registry specified in the brackets.

Since the error was happening only in one computer, what I had to do was export the registry from the computer that it was working and install it on the computer that was missing it.