yarn-error.log

Arguments: 
  C:\Program Files\nodejs\node.exe C:\Program Files (x86)\Yarn\bin\yarn.js install

PATH: 
  C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files (x86)\AMD\ATI.ACE\Core-Static;C:\Program Files\Git\cmd;C:\Program Files (x86)\Windows Kits\8.1\Windows Performance Toolkit\;C:\Program Files\Microsoft SQL Server\110\Tools\Binn\;C:\Program Files (x86)\Microsoft SDKs\TypeScript\1.0\;C:\Program Files\Microsoft SQL Server\120\Tools\Binn\;C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static;C:\Python27;C:\xampp\php;C:\Users\Arash\.dnx\bin;C:\Program Files\Microsoft DNX\Dnvm\;C:\Program Files\Microsoft SQL Server\130\Tools\Binn\;C:\Program Files (x86)\GtkSharp\2.12\bin;C:\Program Files (x86)\Skype\Phone\;C:\Program Files (x86)\Heroku\bin;C:\Program Files (x86)\git\cmd;C:\Program Files (x86)\Git\cmd;C:\ProgramData\ComposerSetup\bin;C:\Users\Arash\Anaconda2;C:\Users\Arash\Anaconda2\Scripts;C:\Users\Arash\Anaconda2\Library\bin;C:\Users\Arash\AppData\Roaming\npm;C:\Users\Arash\AppData\R;C:\Program Files (x86)\Yarn\bin;C:\Program Files\nodejs\;C:\Program Files\dotnet\;C:\Users\Arash\AppData\Roaming\Composer\vendor\bin;C:\Users\Arash\AppData\Local\Yarn\.bin;C:\Program Files (x86)\Microsoft VS Code\bin;C:\Program Files\MongoDB\Server\3.4\bin

Yarn version: 
  0.18.1

Node version: 
  6.9.2

Platform: 
  win32 x64

npm manifest: 
  {
    "name": "bestoon",
    "version": "0.0.0",
    "license": "MIT",
    "angular-cli": {},
    "scripts": {
      "ng": "ng",
      "start": "ng serve",
      "lint": "tslint \"src/**/*.ts\"",
      "test": "ng test",
      "pree2e": "webdriver-manager update --standalone false --gecko false",
      "e2e": "protractor"
    },
    "private": true,
    "dependencies": {
      "@angular/common": "^2.3.1",
      "@angular/compiler": "^2.3.1",
      "@angular/core": "^2.3.1",
      "@angular/forms": "^2.3.1",
      "@angular/http": "^2.3.1",
      "@angular/platform-browser": "^2.3.1",
      "@angular/platform-browser-dynamic": "^2.3.1",
      "@angular/router": "^3.3.1",
      "core-js": "^2.4.1",
      "rxjs": "^5.0.1",
      "ts-helpers": "^1.1.1",
      "zone.js": "^0.7.2"
    },
    "devDependencies": {
      "@angular/compiler-cli": "^2.3.1",
      "@types/jasmine": "2.5.38",
      "@types/node": "^6.0.42",
      "angular-cli": "1.0.0-beta.24",
      "codelyzer": "~2.0.0-beta.1",
      "jasmine-core": "2.5.2",
      "jasmine-spec-reporter": "2.5.0",
      "karma": "1.2.0",
      "karma-chrome-launcher": "^2.0.0",
      "karma-cli": "^1.0.1",
      "karma-jasmine": "^1.0.2",
      "karma-remap-istanbul": "^0.2.1",
      "protractor": "~4.0.13",
      "ts-node": "1.2.1",
      "tslint": "^4.0.2",
      "typescript": "~2.0.3"
    }
  }

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile

Trace: 
  Error: getaddrinfo ENOTFOUND registry.npmjs.org registry.npmjs.org:80
      at errnoException (dns.js:28:10)
      at GetAddrInfoReqWrap.onlookup [as oncomplete] (dns.js:76:26)