title: Windows xgboost error
body: <p>It was a pain just to install xgboost library, but now other mistake happened on Windows 8.1 64-bit</p>
  
  <pre><code>import xgboost as xgb
  
  Traceback (most recent call last):
    File "C:/Users/Пашка/PycharmProjects/kaggler bank santander/1.py", line 12, in &lt;module&gt;
      import xgboost as xgb
    File "C:\Python34\lib\site-packages\xgboost-0.4-py3.4.egg\xgboost\__init__.py", line 11, in &lt;module&gt;
      from .core import DMatrix, Booster
    File "C:\Python34\lib\site-packages\xgboost-0.4-py3.4.egg\xgboost\core.py", line 83, in &lt;module&gt;
      _LIB = _load_lib()
    File "C:\Python34\lib\site-packages\xgboost-0.4-py3.4.egg\xgboost\core.py", line 77, in _load_lib
      lib = ctypes.cdll.LoadLibrary(lib_path[0])
    File "C:\Python34\lib\ctypes\__init__.py", line 429, in LoadLibrary
      return self._dlltype(name)
    File "C:\Python34\lib\ctypes\__init__.py", line 351, in __init__
      self._handle = _dlopen(self._name, mode)
  OSError: [WinError 193] %1 is not a valid Win32 application
  </code></pre>
  
  <p>What can be done? I think it is because of how .py files associated in Windows I guess</p>