title: E/launcher - Process exited with error code 135
body: <p>I am trying to run the protractor test from my windows machine.</p>
  <p>Configuration Used:</p>
  <blockquote>
  <p>OS : Windows 7</p>
  <p>Node : 6.11.3</p>
  <p>Protractor : 5.1.2</p>
  <p>NPM : 3.10.10</p>
  </blockquote>
  <p>I am unable to run the Protractor test because of the below error.</p>
  <pre><code>C:\Users\Admin&gt;protractor conf.js [14:45:16] I/launcher - Running 1 instances of WebDriver [14:45:16] I/hosted - Using the selenium server at http://localhost:4444/wd/hub [14:45:18] E/launcher - Error code: 135 [14:45:18] E/launcher - Error message: ECONNREFUSED connect ECONNREFUSED 127.0.0 .1:4444 [14:45:18] E/launcher - Error: ECONNREFUSED connect ECONNREFUSED 127.0.0.1:4444
      at ClientRequest.&lt;anonymous&gt; (C:\Users\Admin\AppData\Roaming\npm\node_module s\protractor\node_modules\selenium-webdriver\http\index.js:238:15)
      at emitOne (events.js:96:13)
      at ClientRequest.emit (events.js:188:7)
      at Socket.socketErrorListener (_http_client.js:310:9)
      at emitOne (events.js:96:13)
      at Socket.emit (events.js:188:7)
      at emitErrorNT (net.js:1277:8)
      at _combinedTickCallback (internal/process/next_tick.js:80:11)
      at process._tickCallback (internal/process/next_tick.js:104:9) From: Task: WebDriver.createSession()
      at Function.createSession (C:\Users\Admin\AppData\Roaming\npm\node_modules\p rotractor\node_modules\selenium-webdriver\lib\webdriver.js:777:24)
      at Function.createSession (C:\Users\Admin\AppData\Roaming\npm\node_modules\p rotractor\node_modules\selenium-webdriver\chrome.js:709:29)
      at createDriver (C:\Users\Admin\AppData\Roaming\npm\node_modules\protractor\ node_modules\selenium-webdriver\index.js:167:33)
      at Builder.build (C:\Users\Admin\AppData\Roaming\npm\node_modules\protractor \node_modules\selenium-webdriver\index.js:623:16)
      at Hosted.getNewDriver (C:\Users\Admin\AppData\Roaming\npm\node_modules\prot ractor\lib\driverProviders\driverProvider.ts:60:29)
      at Runner.createBrowser (C:\Users\Admin\AppData\Roaming\npm\node_modules\pro tractor\lib\runner.ts:225:39)
      at q.then.then (C:\Users\Admin\AppData\Roaming\npm\node_modules\protractor\l ib\runner.ts:391:27)
      at _fulfilled (C:\Users\Admin\AppData\Roaming\npm\node_modules\protractor\no de_modules\q\q.js:834:54)
      at self.promiseDispatch.done (C:\Users\Admin\AppData\Roaming\npm\node_module s\protractor\node_modules\q\q.js:863:30)
      at Promise.promise.promiseDispatch (C:\Users\Admin\AppData\Roaming\npm\node_ modules\protractor\node_modules\q\q.js:796:13) [14:45:18]
  ***E/launcher - Process exited with error code 135***
  </code></pre>
  <p>I keep receiving the error &quot;E/launcher - Process exited with error code 135&quot; noted in the stack-trace above.  How can I get the protractor test to complete successfully?</p>