title: Rterm error: libxml2-2 is missing
body: <p>I got the following error when I started RStudio (In Windows 7, R version 3.4.0, RStudio version 1.0.143):</p>
  
  <pre><code> The program cant start because libxml2-2.dll is missing from your computer.
   Try reinstalling the program to fix the problem.
  </code></pre>