I didn't do anything special just copied the package.json from the quickstart and tried to run npm install.
npm ERR! Windows_NT 6.3.9600
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Program Files\\nodejs\\node_modules\\npm\\bin\\npm-cli.js" "install"
npm ERR! node v6.8.1
npm ERR! npm v3.10.8
npm ERR! code E500
npm ERR! ArgumentException String is not a valid semantic version.: npm
npm ERR! If you need help, you may report this error at:
npm ERR! <https://github.com/npm/npm/issues>
npm ERR! Please include the following file with any support request:
npm ERR! C:\angular2\hello-world\npm-debug.log
I had the wrong npm registry. It can be set globally or in each project using .npmrc.
It should be