Error installing htmlhint

C:\Users\Vamsi\workspace>npm install grunt-htmlhint --save-dev
npm WARN package.json MapErpMobile@0.0.0 No description
npm WARN package.json MapErpMobile@0.0.0 No repository field.
npm WARN package.json MapErpMobile@0.0.0 No README data
npm ERR! error rolling back Error: EPERM, unlink 'C:\Users\Vamsi\workspace\node_
modules\grunt-htmlhint\node_modules\htmlhint\node_modules\jshint\node_modules\es
prima\test\3rdparty\syntax\jquery-1.9.1.json'
npm ERR! error rolling back  jshint@1.1.0 { [Error: EPERM, unlink 'C:\Users\Vams
i\workspace\node_modules\grunt-htmlhint\node_modules\htmlhint\node_modules\jshin
t\node_modules\esprima\test\3rdparty\syntax\jquery-1.9.1.json']
npm ERR! error rolling back   errno: 50,
npm ERR! error rolling back   code: 'EPERM',
npm ERR! error rolling back   path: 'C:\\Users\\Vamsi\\workspace\\node_modules\\
grunt-htmlhint\\node_modules\\htmlhint\\node_modules\\jshint\\node_modules\\espr
ima\\test\\3rdparty\\syntax\\jquery-1.9.1.json' }
npm ERR! error rolling back Error: EPERM, unlink 'C:\Users\Vamsi\workspace\node_
modules\grunt-htmlhint\node_modules\htmlhint\node_modules\jshint\node_modules\es
prima\test\3rdparty\syntax\jquery-1.9.1.json'
npm ERR! error rolling back  htmlhint@0.9.6 { [Error: EPERM, unlink 'C:\Users\Va
msi\workspace\node_modules\grunt-htmlhint\node_modules\htmlhint\node_modules\jsh
int\node_modules\esprima\test\3rdparty\syntax\jquery-1.9.1.json']
npm ERR! error rolling back   errno: 50,
npm ERR! error rolling back   code: 'EPERM',
npm ERR! error rolling back   path: 'C:\\Users\\Vamsi\\workspace\\node_modules\\
grunt-htmlhint\\node_modules\\htmlhint\\node_modules\\jshint\\node_modules\\espr
ima\\test\\3rdparty\\syntax\\jquery-1.9.1.json' }
npm ERR! error rolling back Error: EPERM, unlink 'C:\Users\Vamsi\workspace\node_
modules\grunt-htmlhint\node_modules\htmlhint\node_modules\jshint\node_modules\es
prima\test\3rdparty\syntax\jquery-1.9.1.json'
npm ERR! error rolling back  grunt-htmlhint@0.4.1 { [Error: EPERM, unlink 'C:\Us
ers\Vamsi\workspace\node_modules\grunt-htmlhint\node_modules\htmlhint\node_modul
es\jshint\node_modules\esprima\test\3rdparty\syntax\jquery-1.9.1.json']
npm ERR! error rolling back   errno: 50,
npm ERR! error rolling back   code: 'EPERM',
npm ERR! error rolling back   path: 'C:\\Users\\Vamsi\\workspace\\node_modules\\
grunt-htmlhint\\node_modules\\htmlhint\\node_modules\\jshint\\node_modules\\espr
ima\\test\\3rdparty\\syntax\\jquery-1.9.1.json' }
npm ERR! Failed to parse json
npm ERR! Unexpected token |
npm ERR! File: C:\Users\Vamsi\AppData\Roaming\npm-cache\inflight\1.0.4\package\p
ackage.json
npm ERR! Failed to parse package.json data.
npm ERR! package.json must be actual JSON, not just JavaScript.
npm ERR!
npm ERR! This is not a bug in npm.
npm ERR! Tell the package author to fix their package.json file. JSON.parse

npm ERR! System Windows_NT 6.1.7600
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nod
ejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "grunt-htmlhint" "--save-dev"

npm ERR! cwd C:\Users\Vamsi\workspace
npm ERR! node -v v0.10.29
npm ERR! npm -v 1.4.14
npm ERR! file C:\Users\Vamsi\AppData\Roaming\npm-cache\inflight\1.0.4\package\pa
ckage.json
npm ERR! code EJSONPARSE
npm ERR! Error: ENOENT, lstat 'C:\Users\Vamsi\workspace\node_modules\grunt-htmlh
int\node_modules\htmlhint\node_modules\jshint\node_modules\esprima\test\3rdparty
\syntax\jquery-1.9.1.json'
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 6.1.7600
npm ERR! command "C:\\Program Files\\nodejs\\\\node.exe" "C:\\Program Files\\nod
ejs\\node_modules\\npm\\bin\\npm-cli.js" "install" "grunt-htmlhint" "--save-dev"

npm ERR! cwd C:\Users\Vamsi\workspace
npm ERR! node -v v0.10.29
npm ERR! npm -v 1.4.14
npm ERR! path C:\Users\Vamsi\workspace\node_modules\grunt-htmlhint\node_modules\
htmlhint\node_modules\jshint\node_modules\esprima\test\3rdparty\syntax\jquery-1.
9.1.json
npm ERR! fstream_path C:\Users\Vamsi\workspace\node_modules\grunt-htmlhint\node_
modules\htmlhint\node_modules\jshint\node_modules\esprima\test\3rdparty\syntax\j
query-1.9.1.json
npm ERR! fstream_type File
npm ERR! fstream_class FileWriter
npm ERR! code ENOENT
npm ERR! errno 34
npm ERR! fstream_stack C:\Program Files\nodejs\node_modules\npm\node_modules\fst
ream\lib\writer.js:284:26
npm ERR! fstream_stack Object.oncomplete (fs.js:107:15)
npm ERR!
npm ERR! Additional logging details can be found in:
npm ERR!     C:\Users\Vamsi\workspace\npm-debug.log
npm ERR! not ok code 0