title: Error Installing Firefox Addon SDK Python
body: <p>Hello im trying to figure out how to properly install Firefox Addon SDK,  I've followed all the installation details such as: Installing Python 2.7, setting my PATH Variables correctly, and running the addon from my cmd.exe .. Everytime I run the command line to start developing an addon I get this error:</p>
  
  <pre><code>    C:\mozilla-build\addon-sdk\bin&gt;activate.bat
      Warning: Failed to find Python installation directory
  </code></pre>
  
  <p>IFrom my understanding I have everything properly configured, Can  anyone help with this error. And also my PATH variables are as below</p>
  
  <pre><code>   User Variables...;C:\mozilla-build\addon-sdk\bin;C:\mozilla-build\python;C:\Python27
     SYSTEM Variables ...;C:\mozilla-build\addon-sdk\bin;C:\mozilla-build\python;C:\Python27
  </code></pre>