title: Python 2 Won't Install on Windows 8.1
body: <p>I have python 3 currently installed on my system, and I wanted to also install python 2 alongside it. During installation, this dialog pops up:
  <img src="https://i.stack.imgur.com/03fjU.png" alt="Error dialog"></p>
  
  <p>However, I have a <code>python.exe</code> in the install folder. Running it in the command prompt gives the error shown below.
  <img src="https://i.stack.imgur.com/ja9Tz.png" alt="Error"></p>
  
  <p>Is there a way to fix this?</p>