Someone else reported problem when creating a new project: https://nodejstools.codeplex.com/workitem/590
Can you let us know more about your configuration? VS 2012 or VS 2013? If VS 2012, are you on Update 4? Which version+platform of Node.js? Which build of NTVS (alpha or dev build)?
Can you let us know more about your configuration? VS 2012 or VS 2013? If VS 2012, are you on Update 4? Which version+platform of Node.js? Which build of NTVS (alpha or dev build)?