"File or assembly name Microsoft.VisualBasic.Compatibility, or one of its dependencies, was not found."

I had an windows application that was converted from Visual Basic 6.0 to VB.Net 2003. After it ran fine in development, I moved to production where I received the following error "File or assembly name Microsoft.VisualBasic.Compatibility, or one of its dependencies, was not found."

Since the application was converted from an older version of VB and uses some legacy functions, it requires "Microsoft.VisualBasic.Compatibility.dll". This library was originally found on the development machine in C:\WINDOWS\Microsoft.NET\Framework\v1.1.4322, but was not found on the production server.

The easiest way to resolve this is simply to copy the .DLL into the working directory of the application. The .DLL can also be packaged with the project installation to avoid the same issue from repeating with future installs.

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