{
    "name":"sample project",
    "version":"0.0.1",
    "title":"My grunt App",
    "homepage":"http://gruntjs.com"
}

D:grunt2>npm install grunt --save-dev
npm ERR! Error: Invalid name: "sample project"
npm ERR!     at ensureValidName (C:Program Files (x86)nodejsnode_modulesnpm
node_modulesread-package-jsonnode_modulesnormalize-package-datalibfixer.js:
300:15)
npm ERR!     at Object.module.exports.fixNameField (C:Program Files (x86)nodej
snode_modulesnpmnode_modulesread-package-jsonnode_modulesnormalize-package
-datalibfixer.js:204:5)
npm ERR!     at C:Program Files (x86)nodejsnode_modulesnpmnode_modulesread
-package-jsonnode_modulesnormalize-package-datalibnormalize.js:30:38
npm ERR!     at Array.forEach (native)
npm ERR!     at normalize (C:Program Files (x86)nodejsnode_modulesnpmnode_m
odulesread-package-jsonnode_modulesnormalize-package-datalibnormalize.js:29
:15)
npm ERR!     at final (C:Program Files (x86)nodejsnode_modulesnpmnode_modul
esread-package-jsonread-json.js:342:33)
npm ERR!     at then (C:Program Files (x86)nodejsnode_modulesnpmnode_module
sread-package-jsonread-json.js:126:33)
npm ERR!     at C:Program Files (x86)nodejsnode_modulesnpmnode_modulesread
-package-jsonread-json.js:316:48
npm ERR!     at fs.js:207:20
npm ERR!     at OpenReq.Req.done (C:Program Files (x86)nodejsnode_modulesnpm
node_modulesgraceful-fsgraceful-fs.js:144:5)
npm ERR! If you need help, you may report this *entire* log,
npm ERR! including the npm and node versions, at:
npm ERR!     <http://github.com/npm/npm/issues>

npm ERR! System Windows_NT 6.1.7601
npm ERR! command "C:\Program Files (x86)\nodejs\\node.exe" "C:\Program File
s (x86)\nodejs\node_modules\npm\bin\npm-cli.js" "install" "grunt" "--save-d
ev"
npm ERR! cwd D:grunt2
npm ERR! node -v v0.10.28
npm ERR! npm -v 1.4.9
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     D:grunt2npm-debug.log
npm ERR! not ok code 0