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 Unable to load assembly '<assembly ...

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This page is specific to
Microsoft Visual Studio 2005/.NET Framework 2.0

Other versions are also available for the following:
Error Messages for Windows Forms 
Unable to load assembly '<assembly name>' 

Complete error message: Ensure that the file is a valid .Net Framework assembly.

The assembly file you selected is not a valid assembly.

To correct this error

  • Ensure that the file is a valid .Net Framework assembly.

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