title: Visual Studio code 'open in browser' extension failed
body: <p>I have installed <a href="https://marketplace.visualstudio.com/items?itemName=techer.open-in-browser" rel="noreferrer">Open in browser</a> visual studio extension. But when I try to open the browser by shortcut <kbd>Alt</kbd>+<kbd>B</kbd>. It fails showing the following:  </p>
  
  <pre><code>Running the contributed   
  command:'extension.openInDefaultBrowser' failed.
  </code></pre>
  
  <p>Please help if there's any solution.</p>