<h2 dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/16353144/61019849-3936e480-a3ce-11e9-8332-77c7fee4fe50.png"><img src="https://user-images.githubusercontent.com/16353144/61019849-3936e480-a3ce-11e9-8332-77c7fee4fe50.png" alt="image" style="max-width: 100%;"></a></h2>
<h2 dir="auto">Platform: Windows10 1703<br>
OS Version: 15063.1387</h2>
<p dir="auto">After search many documents &amp; issues, I got no answer.<br>
Is there anybody knows what happened to the installation of deno?</p>
<p dir="auto">Example:</p>
<div class="highlight highlight-source-ts notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="import express from &quot;npm:express@4&quot;;

const app = express();
const port = 3000;

app.get('/', (req, res) =&gt; {
  res.send('Hello World!');
});

app.listen(port, () =&gt; {
  console.log(`Example app listening on port ${port}`);
});"><pre class="notranslate"><span class="pl-k">import</span> <span class="pl-s1">express</span> <span class="pl-k">from</span> <span class="pl-s">"npm:express@4"</span><span class="pl-kos">;</span>

<span class="pl-k">const</span> <span class="pl-s1">app</span> <span class="pl-c1">=</span> <span class="pl-en">express</span><span class="pl-kos">(</span><span class="pl-kos">)</span><span class="pl-kos">;</span>
<span class="pl-k">const</span> <span class="pl-s1">port</span> <span class="pl-c1">=</span> <span class="pl-c1">3000</span><span class="pl-kos">;</span>

<span class="pl-s1">app</span><span class="pl-kos">.</span><span class="pl-en">get</span><span class="pl-kos">(</span><span class="pl-s">'/'</span><span class="pl-kos">,</span> <span class="pl-kos">(</span><span class="pl-s1">req</span><span class="pl-kos">,</span> <span class="pl-s1">res</span><span class="pl-kos">)</span> <span class="pl-c1">=&gt;</span> <span class="pl-kos">{</span>
  <span class="pl-s1">res</span><span class="pl-kos">.</span><span class="pl-en">send</span><span class="pl-kos">(</span><span class="pl-s">'Hello World!'</span><span class="pl-kos">)</span><span class="pl-kos">;</span>
<span class="pl-kos">}</span><span class="pl-kos">)</span><span class="pl-kos">;</span>

<span class="pl-s1">app</span><span class="pl-kos">.</span><span class="pl-en">listen</span><span class="pl-kos">(</span><span class="pl-s1">port</span><span class="pl-kos">,</span> <span class="pl-kos">(</span><span class="pl-kos">)</span> <span class="pl-c1">=&gt;</span> <span class="pl-kos">{</span>
  <span class="pl-smi">console</span><span class="pl-kos">.</span><span class="pl-en">log</span><span class="pl-kos">(</span><span class="pl-s">`Example app listening on port <span class="pl-s1"><span class="pl-kos">${</span><span class="pl-s1">port</span><span class="pl-kos">}</span></span>`</span><span class="pl-kos">)</span><span class="pl-kos">;</span>
<span class="pl-kos">}</span><span class="pl-kos">)</span><span class="pl-kos">;</span></pre></div>
<p dir="auto">Depends on <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="1044668985" data-permission-text="Title is private" data-url="https://github.com/denoland/deno/issues/12648" data-hovercard-type="issue" data-hovercard-url="/denoland/deno/issues/12648/hovercard" href="https://github.com/denoland/deno/issues/12648">#12648</a></p>