Commented Unassigned: Source Code Issue: Not all projects can be loaded in VS 2012 13. e.g Profiling [1058]

Profiling.csproj and a few others could not be loaded into VS 2012 or 2013.
attached is the migration report

Unsupported
This version of Visual Studio is unable to open the following projects. The project types may not be installed or this version of Visual Studio may not support them.
For more information on enabling these project types or otherwise migrating your assets, please see the details in the "Migration Report" displayed after clicking OK.
- Profiling, "C:\Work\NTVS\Nodejs\Product\Profiling\Profiling.csproj"


No changes required
These projects can be opened in Visual Studio 2013, Visual Studio 2012, and Visual Studio 2010 SP1 without changing them.
- Profiling, "C:\Work\NTVS\Nodejs\Product\Profiling\Profiling.sln"



Comments: Hi Seems I now have an error regarding Newtonsoft package. What is the best way around this . thanks. Error 1 Unable to find version '4.5.11' of package 'Newtonsoft.Json'. Npm Warning 2 Unable to connect to the remote server C:\Work\nodejstools\Nodejs\Product\Npm\EXEC Npm Error 3 The command ""C:\Work\nodejstools\Nodejs\.nuget\NuGet.exe" install "C:\Work\nodejstools\Nodejs\Product\Npm\packages.config" -source "" -NonInteractive -RequireConsent -solutionDir "C:\Work\nodejstools\Nodejs\ "" exited with code 1. Npm Warning 4 Unable to connect to the remote server C:\Work\nodejstools\Nodejs\Product\Nodejs\EXEC Nodejs Error 5 Unable to find version '4.5.11' of package 'Newtonsoft.Json'. Nodejs Error 6 The command ""C:\Work\nodejstools\Nodejs\.nuget\NuGet.exe" install "C:\Work\nodejstools\Nodejs\Product\Nodejs\packages.config" -source "" -NonInteractive -RequireConsent -solutionDir "C:\Work\nodejstools\Nodejs\ "" exited with code 1. Nodejs