title: Targeting pack for .NET 4.5.2 not installed
body: <p>When opening an already existing solution in Visual Studio, it says</p>
  
  <blockquote>
    <p>The C# project "..." is targeting ".NETFramework,Version=v4.5.2", which is not installed on this machine.</p>
  </blockquote>
  
  <p><img src="https://i.stack.imgur.com/23WdQ.png" alt="Screenshot error message"></p>
  
  <p>I have already tried</p>
  
  <ul>
  <li>Selecting option 2, but it brings me to a generic Microsoft search page (<a href="http://www.microsoft.com/en-us/default.aspx" rel="noreferrer">http://www.microsoft.com/en-us/default.aspx</a>)</li>
  <li>Installing the .NET Framework 4.5 SDK (as proposed by <a href="https://stackoverflow.com/a/21949869/480982">this answer</a>)
  <img src="https://i.stack.imgur.com/E6h9Y.png" alt="enter image description here"></li>
  </ul>