Microsoft has released Update 4.0.3 Beta for Microsoft .NET Framework 4 - Design-time Update for Visual Studio 2010 SP1

This package contains updated design-time files for Visual Studio 2010 SP1 corresponding to Update 4.0.3 Beta for Microsoft .NET Framework 4. For further details about the contents of Update 4.0.3 Beta for Microsoft .NET Framework 4 – Design-time Update please refer to the Knowledge Base Article KB2599653.

This design time package installs the following individual packages:

Update 4.0.3 Beta for Microsoft .NET Framework 4 – Runtime Update (KB2599651)
Multi-Targeting Pack for the Microsoft .NET Framework 4.0.3 Beta (KB2599652)
Visual Studio 2010 SP1 Update for enabling workflow state machine designer (KB2495593)

After you install this update, you may have to restart your computer.

  Update 4.0.3 Beta for Microsoft .NET Framework 4 - Design-time Update for Visual Studio 2010 SP1 (KB2599653)