title: localhost:4200 not working for my angular app
body: <p>Till yesterday, everything was working good. Using cmd, I type ng serve, go to my browser type localhost:4200 and my website fires up.
  Suddenly today, the localhost is not responding. The ng serve is working properly.</p>
  
  <p>Output after typing ng-serve-</p>
  
  <pre><code>10% building 3/3 modules 0 activei ｢wds｣: Project is running at http://localhost:4200/webpack-dev-server/
  i ｢wds｣: webpack output is served from /
  i ｢wds｣: 404s will fallback to //index.html
  
  chunk {main} main.js, main.js.map (main) 47.8 kB [initial] [rendered]
  chunk {polyfills} polyfills.js, polyfills.js.map (polyfills) 264 kB [initial] [rendered]
  chunk {runtime} runtime.js, runtime.js.map (runtime) 6.15 kB [entry] [rendered]
  chunk {styles} styles.js, styles.js.map (styles) 9.7 kB [initial] [rendered]
  chunk {vendor} vendor.js, vendor.js.map (vendor) 3.81 MB [initial] [rendered]
  Date: 2019-09-05T04:20:41.402Z - Hash: a7331d4e748902ef88b7 - Time: 19033ms
  ** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **
  </code></pre>
  
  <p>I tried different browsers, tried reinstalling angular, still the problem persists.</p>
  
  <p>The message that I get on my browser is - This site can't be reached.</p>