Protractor error

Failures:

  1) Protractor Demo App should have a title
   Message:
     UnknownError: unknown error: [ng:btstrpd] http://errors.angularjs.org/1.3.1
5/ng/btstrpd?p0=document
  (Session info: chrome=43.0.2357.132)
  (Driver info: chromedriver=2.15.322448 (52179c1b310fec1797c81ea9a20326839860b7
d3),platform=Windows NT 6.1 SP1 x86_64) (WARNING: The server did not provide any
 stacktrace information)
Command duration or timeout: 9 milliseconds
Build info: version: '2.45.0', revision: '5017cb8', time: '2015-02-26 23:59:50'
System info: host: 'xxxxxxx', ip: 'x.x.x.x', os.name: 'Windows 7', os.arch: 'amd
64', os.version: '6.1', java.version: '1.8.0_45'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{applicationCacheEnabled=false, rotatable=false, mobileEmulationEn
abled=false, chrome={userDataDir=C:\Users\abcdefg\AppData\Local\Temp\scoped_dir1
320_25277}, takesHeapSnapshot=true, databaseEnabled=false, handlesAlerts=true, v
ersion=43.0.2357.132, platform=XP, browserConnectionEnabled=false, nativeEvents=
true, acceptSslCerts=true, locationContextEnabled=true, webStorageEnabled=true,
browserName=chrome, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEn
abled=true}]
Session ID: 1bab64cf36217bfb20400432328a0075
   Stacktrace:
     UnknownError: unknown error: [ng:btstrpd] http://errors.angularjs.org/1.3.1
5/ng/btstrpd?p0=document
  (Session info: chrome=43.0.2357.132)
  (Driver info: chromedriver=2.15.322448 (52179c1b310fec1797c81ea9a20326839860b7
d3),platform=Windows NT 6.1 SP1 x86_64) (WARNING: The server did not provide any
 stacktrace information)
Command duration or timeout: 9 milliseconds
Build info: version: '2.45.0', revision: '5017cb8', time: '2015-02-26 23:59:50'
System info: host: 'xxxxxxx', ip: 'x.x.x.x', os.name: 'Windows 7', os.arch: 'amd
64', os.version: '6.1', java.version: '1.8.0_45'
Driver info: org.openqa.selenium.chrome.ChromeDriver
Capabilities [{applicationCacheEnabled=false, rotatable=false, mobileEmulationEn
abled=false, chrome={userDataDir=C:\Users\abcdefg\AppData\Local\Temp\scoped_dir1
320_25277}, takesHeapSnapshot=true, databaseEnabled=false, handlesAlerts=true, v
ersion=43.0.2357.132, platform=XP, browserConnectionEnabled=false, nativeEvents=
true, acceptSslCerts=true, locationContextEnabled=true, webStorageEnabled=true,
browserName=chrome, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEn
abled=true}]
Session ID: 1bab64cf36217bfb20400432328a0075
    at new bot.Error (C:\Users\abcdefg\AppData\Roaming\npm\node_modules\protract
or\node_modules\selenium-webdriver\lib\atoms\error.js:113:18)
    at Object.bot.response.checkResponse (C:\Users\abcdefg\AppData\Roaming\npm\n
ode_modules\protractor\node_modules\selenium-webdriver\lib\atoms\response.js:106
:9)
    at C:\Users\abcdefg\AppData\Roaming\npm\node_modules\protractor\node_modules
\selenium-webdriver\lib\webdriver\webdriver.js:377:20
    at [object Object].promise.ControlFlow.runInFrame_ (C:\Users\abcdefg\AppData
\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriv
er\promise.js:1877:20)
    at [object Object].promise.Callback_.goog.defineClass.notify (C:\Users\abcde
fg\AppData\Roaming\npm\node_modules\protractor\node_modules\selenium-webdriver\l
ib\webdriver\promise.js:2464:25)
    at [object Object].promise.Promise.notify_ (C:\Users\abcdefg\AppData\Roaming
\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriver\promi
se.js:563:12)
    at Array.forEach (native)
    at Object.goog.array.forEach (C:\Users\abcdefg\AppData\Roaming\npm\node_modu
les\protractor\node_modules\selenium-webdriver\lib\goog\array\array.js:203:43)
    at [object Object].promise.Promise.notifyAll_ (C:\Users\abcdefg\AppData\Roam
ing\npm\node_modules\protractor\node_modules\selenium-webdriver\lib\webdriver\pr
omise.js:552:16)
    at goog.async.run.processWorkQueue (C:\Users\abcdefg\AppData\Roaming\npm\nod
e_modules\protractor\node_modules\selenium-webdriver\lib\goog\async\run.js:125:2
1)
From: Task: Asynchronous test function: it()
    at [object Object].<anonymous> (C:\Users\abcdefg\AppData\Roaming\npm\node_mo
dules\protractor\node_modules\jasminewd\index.js:93:33)
    at [object Object].<anonymous> (C:\Users\abcdefg\AppData\Roaming\npm\node_mo
dules\protractor\node_modules\minijasminenode\lib\async-callback.js:45:37)
    at [object Object].jasmine.Block.execute (C:\Users\abcdefg\AppData\Roaming\n
pm\node_modules\protractor\node_modules\minijasminenode\lib\jasmine-1.3.1.js:117
4:17)
    at [object Object].jasmine.Queue.next_ (C:\Users\abcdefg\AppData\Roaming\npm
\node_modules\protractor\node_modules\minijasminenode\lib\jasmine-1.3.1.js:2209:
31)
    at [object Object]._onTimeout (C:\Users\abcdefg\AppData\Roaming\npm\node_mod
ules\protractor\node_modules\minijasminenode\lib\jasmine-1.3.1.js:2199:18)
Error
    at [object Object].<anonymous> (C:\temp\spec.js:4:3)
    at [object Object].jasmine.Env.describe_ (C:\Users\abcdefg\AppData\Roaming\n
pm\node_modules\protractor\node_modules\minijasminenode\lib\jasmine-1.3.1.js:913
:21)
    at [object Object].jasmine.Env.describe (C:\Users\abcdefg\AppData\Roaming\np
m\node_modules\protractor\node_modules\minijasminenode\lib\jasmine-1.3.1.js:898:
15)
    at describe (C:\Users\abcdefg\AppData\Roaming\npm\node_modules\protractor\no
de_modules\minijasminenode\lib\jasmine-1.3.1.js:658:27)
    at Object.<anonymous> (C:\temp\spec.js:2:1)

Finished in 8.742 seconds
1 test, 1 assertion, 1 failure

[launcher] 0 instance(s) of WebDriver still running
[launcher] chrome #1 failed 1 test(s)
[launcher] overall: 1 failed spec(s)
[launcher] Process exited with error code 1