title: Can't run downloaded Angular project
body: <p><strong>I have downloaded an angular project from angular.io tutorial when i run this project
  it shows error</strong></p>
  
  <p><strong>Could not find module "@angular-devkit/build-angular" from "C:\Users\asus\angulario".
  Error: Could not find module "@angular-devkit/build-angular" from "C:\Users\asus\angulario"</strong></p>
  
  <pre><code>Could not find module "@angular-devkit/build-angular" from "C:\\Users\\asus\\angulario".
  Error: Could not find module "@angular-devkit/build-angular" from "C:\\Users\\asus\\angulario".
      at Object.resolve (C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\core\node\resolve.js:141:11)
      at Observable.rxjs_1.Observable [as _subscribe] (C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\@angular-devkit\architect\src\architect.js:132:40)
      at Observable._trySubscribe (C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:44:25)
      at Observable.subscribe (C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:30:22)
      at C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:99:19
      at new Promise (&lt;anonymous&gt;)
      at Observable.toPromise (C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\node_modules\rxjs\internal\Observable.js:97:16)
      at ServeCommand.initialize (C:\Users\asus\AppData\Roaming\npm\node_modules\@angular\cli\models\architect-command.js:88:94)
      at process._tickCallback (internal/process/next_tick.js:68:7)
      at Function.Module.runMain (internal/modules/cjs/loader.js:744:11)
  </code></pre>
  
  <p>project live example <a href="https://stackblitz.com/angular/bvypgkmlmdv" rel="nofollow noreferrer">https://stackblitz.com/angular/bvypgkmlmdv</a></p>
  
  <p>Download link <a href="https://angular.io/generated/zips/toh-pt3/toh-pt3.zip" rel="nofollow noreferrer">https://angular.io/generated/zips/toh-pt3/toh-pt3.zip</a></p>