Download Update 4.0.3 for Microsoft .NET Framework 4 – Design-time Update for Visual Studio 2010 SP1 (KB2600214) from Official Microsoft Download Center

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Update 4.0.3 for Microsoft .NET Framework 4 – Design-time Update for Visual Studio 2010 SP1 (KB2600214)

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This package contains updated design-time files for Visual Studio 2010 SP1 corresponding to Update 4.0.3 for Microsoft .NET Framework 4.