module.js:550
    throw err;
    ^

Error: Cannot find module 'c:\Program Files\nodejs\node_modules\npm\node_modules\node_modules\node-gyp\bin\node-gyp.js'
    at Function.Module._resolveFilename (module.js:548:15)
    at Function.Module._load (module.js:475:25)
    at Function.Module.runMain (module.js:694:10)
    at startup (bootstrap_node.js:204:16)
    at bootstrap_node.js:625:3