title: Error: Package 'Microsoft SQL Management Studio Package' failed to load. In SQL Server Management Studio
body: <p>I had installed SQL Server 2008 R2, the installation was succesful. But I can't open the Management Studio because this error is shown: </p>
  
  <pre><code>Package 'Microsoft SQL Management Studio Package' failed to load.
  </code></pre>
  
  <p>Any idea? Thanks.</p>
  
  <p><img src="https://i.stack.imgur.com/nJAjb.jpg" alt="enter image description here"></p>