Can’t open or create JavaScript files or C++ projects in Visual Studio 2012 after you install the .NET Framework 4.5.1 or the the .NET Framework 4.5.2


You may encounter the following issues after you install the Microsoft .NET Framework 4.5.1 or the Microsoft .NET Framework 4.5.2.

Issue 1

When you open or create a JavaScript file by using Microsoft Visual Studio 2012, Visual Studio may crash.

Issue 2

You may be unable to create a C++ project in Visual Studio 2012. Additionally, when you open C++ projects by using Visual Studio 2012, you may receive an error message that resembles the following:

"No exports were found that match the constraint: ContractName"


To resolve this issue, install the Visual Studio 2012 update .


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.