title: LXML failed to install on Plone 4.3 64-bit (MS Windows)
body: <p>Been asked to update my answer in correct format - Question then Answer.</p>
  
  <pre><code>running build_py
  creating build
  creating build\lib.win-amd64-2.7
  creating build\lib.win-amd64-2.7\lxml
  copying src\lxml\builder.py -&gt; build\lib.win-amd64-2.7\lxml
  </code></pre>
  
  <p>then generates</p>
  
  <pre><code>running build_ext
  building 'lxml.etree' extension
  **error: Setup script exited with error: Unable to find vcvarsall.bat**
  An error occurred when trying to install lxml 2.3.6. Look above this message for
   any errors that were output by easy_install.
  While:
  Installing.
    Getting section zeo.
    Initializing part zeo.
    Getting distribution for 'lxml==2.3.6'.
  Error: Couldn't install: lxml 2.3.6
  </code></pre>