title: Windows 8.1 unable to install .NET Framework 3.5 0*800F0906
body: <p>After trying to install .net 3.5 via the program and features (see below).   I was getting unable to install error 800F0906 </p>
  
  <p>I am using windows 8.1.</p>
  
  <p><img src="https://i.stack.imgur.com/MjpIA.png" alt="windows features"> </p>