title: Can't install visual studio 2013 on windows 7
body: <p>I downloaded the ISO file of Microsoft Visual Studio 2013 Ultimate on the Microsoft MSDN website. I could install it on my home PC running Windows 8.1 without problems. However when I try to install it on my office PC running Windows 7 SP1, I get an error message. I even tried to install the "web installer" version, I always get the following error message:</p>
  
  <p><img src="https://i.stack.imgur.com/61Fte.png" alt="enter image description here"></p>