<p dir="auto">Helllo, I have a problem with installation angular2 beta 15</p>
<blockquote>
<p dir="auto">npm install angular2 -d<br>
npm info it worked if it ends with ok<br>
npm info using npm@3.8.7<br>
npm info using node@v5.9.1<br>
npm info attempt registry request try <a class="issue-link js-issue-link" data-error-text="Failed to load title" data-id="43291956" data-permission-text="Title is private" data-url="https://github.com/angular/angular/issues/1" data-hovercard-type="issue" data-hovercard-url="/angular/angular/issues/1/hovercard" href="https://github.com/angular/angular/issues/1">#1</a> at 10:22:16 AM<br>
npm http request GET <a href="https://registry.npmjs.org/angular2" rel="nofollow">https://registry.npmjs.org/angular2</a><br>
npm http 304 <a href="https://registry.npmjs.org/angular2" rel="nofollow">https://registry.npmjs.org/angular2</a><br>
npm ERR! cb() never called!</p>
</blockquote>
<p dir="auto">This problem is only with the beta15, If I try to install previous versions, then all is well</p>
<p dir="auto"><strong>node version:</strong> v5.9.1<br>
<strong>npm version:</strong>  3.8.7</p>
<p dir="auto">Running <code class="notranslate">npm i --save angular2</code> or <code class="notranslate">npm i --save angular2@2.0.0-beta.15</code> is returning the following error:</p>
<div class="highlight highlight-source-shell notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="npm ERR! cb() never called!"><pre class="notranslate">npm ERR<span class="pl-k">!</span> <span class="pl-en">cb</span>() never called<span class="pl-k">!</span></pre></div>
<div class="highlight highlight-source-shell notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="$ npm -v
3.8.6"><pre class="notranslate">$ npm -v
3.8.6</pre></div>
<div class="highlight highlight-source-shell notranslate position-relative overflow-auto" dir="auto" data-snippet-clipboard-copy-content="$ node -v 
v5.9.0"><pre class="notranslate">$ node -v 
v5.9.0</pre></div>
<p dir="auto">I'm on Windows 10, if that helps.</p>