title: Cannot install Protractor 2.0.0 : ENOENT in bufferutil while node-gyp rebuild
body: <p>Trying to install Protractor 2.0.0, I'm facing the following problem:</p>
  
  <pre><code>$ npm install -g protractor
  npm http GET https://registry.npmjs.org/protractor
  npm http 304 https://registry.npmjs.org/protractor
  ...
  npm http 200 https://registry.npmjs.org/nan
  
  &gt; utf-8-validate@1.0.1 install C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate
  &gt; node-gyp rebuild
  
  
  C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate {git}
  {lamb} node "d:\Developpement\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild
  gyp ERR! configure error
  gyp ERR! stack Error: spawn ENOENT
  gyp ERR! stack     at errnoException (child_process.js:998:11)
  gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:789:34)
  gyp ERR! System Windows_NT 6.2.9200
  gyp ERR! command "node" "d:\\Developpement\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
  gyp ERR! cwd C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\utf-8-validate
  gyp ERR! node -v v0.10.28
  gyp ERR! node-gyp -v v0.13.0
  gyp ERR! not ok
  npm WARN optional dep failed, continuing utf-8-validate@1.0.1
  
  &gt; bufferutil@1.0.1 install C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\bufferutil
  &gt; node-gyp rebuild
  
  
  C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\bufferutil {git}
  {lamb} node "d:\Developpement\nodejs\node_modules\npm\bin\node-gyp-bin\\..\..\node_modules\node-gyp\bin\node-gyp.js" rebuild
  gyp ERR! configure error
  gyp ERR! stack Error: spawn ENOENT
  gyp ERR! stack     at errnoException (child_process.js:998:11)
  gyp ERR! stack     at Process.ChildProcess._handle.onexit (child_process.js:789:34)
  gyp ERR! System Windows_NT 6.2.9200
  gyp ERR! command "node" "d:\\Developpement\\nodejs\\node_modules\\npm\\node_modules\\node-gyp\\bin\\node-gyp.js" "rebuild"
  gyp ERR! cwd C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\node_modules\ws\node_modules\bufferutil
  gyp ERR! node -v v0.10.28
  gyp ERR! node-gyp -v v0.13.0
  gyp ERR! not ok
  npm WARN optional dep failed, continuing bufferutil@1.0.1
  C:\Users\clouderial\AppData\Roaming\npm\protractor -&gt; C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\bin\protractor
  C:\Users\clouderial\AppData\Roaming\npm\webdriver-manager -&gt; C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor\bin\webdriver-manager
  npm WARN unmet dependency C:\Users\clouderial\AppData\Roaming\npm\node_modules\jmcnet\node_modules\grunt-contrib-watch requires lodash@'~2.4.1' but will load
  npm WARN unmet dependency C:\Users\clouderial\AppData\Roaming\npm\node_modules\jmcnet\node_modules\lodash,
  npm WARN unmet dependency which is version 3.5.0
  protractor@2.0.0 C:\Users\clouderial\AppData\Roaming\npm\node_modules\protractor
  ├── jasminewd@1.1.0
  ├── jasminewd2@0.0.3
  ├── html-entities@1.1.2
  ├── saucelabs@0.1.1
  ├── q@1.0.0
  ├── minijasminenode@1.1.1
  ├── adm-zip@0.4.4
  ├── lodash@2.4.1
  ├── accessibility-developer-tools@2.6.0
  ├── optimist@0.6.1 (wordwrap@0.0.2, minimist@0.0.10)
  ├── glob@3.2.11 (inherits@2.0.1, minimatch@0.3.0)
  ├── request@2.36.0 (forever-agent@0.5.2, qs@0.6.6, json-stringify-safe@5.0.0, tunnel-agent@0.4.0, aws-sign2@0.5.0, oauth-sign@0.3.0, mime@1.2.11, node-uuid@1.4.3, tough-cookie@0.12.1, http-signature@0.10.1, hawk@1.0.0, form-data@0.1.4)
  ├── jasmine@2.1.1 (jasmine-core@2.1.3)
  ├── source-map-support@0.2.10 (source-map@0.1.32)
  └── selenium-webdriver@2.45.1 (tmp@0.0.24, rimraf@2.3.2, ws@0.7.1, xml2js@0.4.4)
  </code></pre>
  
  <p>I'm under Windows8 and I had to install Python (3.4.3) to achieve this installation.</p>
  
  <p>My E2E tests are broken after this installation.
  Any help would be greatly appreciated.</p>
  
  <p>Jean-Marc</p>