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Article ID: 2868608 - Last Review: July 17, 2013 - Revision: 1.0

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Assume that you have Microsoft Visual Studio 2012 installed on a computer that is running Windows 8. When you upgrade to Windows 8.1 Preview and then try to create a Windows Store app, the following issues may occur.

Issue 1

You receive one of the following error messages:

The 'Microsoft.VisualStudio.Project.VS.Implementation, Version=, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a' package did not load correctly.
The problem may have been caused by a configuration change or by the installation of another extension. You can get more information by examining the file '<App Data path>\Roaming\Microsoft\VisualStudio\11.0\ActivityLog.xml'. 
Continue to show this error message?

'<App file name>' cannot be opened because its project type (.jsproj) is not supported by this version of the application.
To open it, please use a version that supports this type of project.

Note This issue occurs when you try to create a Windows Store app by using JavaScript.

Issue 2

You receive the following error message:

No exports were found that match the constraint:

Note This issue occurs when you try to create a Windows Store app by using C++.


To resolve this issue, install Visual Studio 2012 Update 2  ( )  or a later update for Visual Studio 2012.


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


For more information about issues in Visual Studio 2013 Preview, see other known issues that you may experience after you install Microsoft Visual Studio 2013 Preview  ( ) .

Applies to
  • Microsoft Visual Studio Express 2012 for Web
  • Microsoft Visual Studio Express 2012 for Windows 8
  • Microsoft Visual Studio Express 2012 for Windows Desktop
  • Microsoft Visual Studio Express 2012 for Windows Phone
  • Microsoft Visual Studio Premium 2012
  • Microsoft Visual Studio Professional 2012
  • Microsoft Visual Studio Ultimate 2012
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