title: Pyinstaller 3.4 Not Working on Windows 10 with Python 2.7
body: <p>I have recently reinstalled Windows 10. I am using Python 2.7 and trying to make a small executable using Pyinstaller 3.4. and I get the following error:</p>
  
  <pre><code>    C:\python_programs\py_live&gt;pyinstaller g_uplink.py
  Traceback (most recent call last):
    File "C:\Python27\Lib\runpy.py", line 162, in _run_module_as_main
      "__main__", fname, loader, pkg_name)
    File "C:\Python27\Lib\runpy.py", line 72, in _run_code
      exec code in run_globals
    File "C:\Python27\Scripts\pyinstaller.exe\__main__.py", line 5, in &lt;module&gt;
    File "C:\Python27\Lib\site-packages\PyInstaller\__init__.py", line 16, in &lt;module&gt;
      from . import compat
    File "C:\Python27\Lib\site-packages\PyInstaller\compat.py", line 212, in &lt;module&gt;
      from win32ctypes.pywin32 import pywintypes  # noqa: F401
    File "C:\Python27\Lib\site-packages\win32ctypes\pywin32\__init__.py", line 11, in &lt;module&gt;
      from win32ctypes.pywin32 import win32api
    File "C:\Python27\Lib\site-packages\win32ctypes\pywin32\win32api.py", line 12, in &lt;module&gt;
      from win32ctypes.core import (
    File "C:\Python27\Lib\site-packages\win32ctypes\core\__init__.py", line 36, in load_module
      module = importlib.import_module(self.redirect_module)
    File "C:\Python27\Lib\importlib\__init__.py", line 37, in import_module
      __import__(name)
    File "C:\Python27\Lib\site-packages\win32ctypes\core\cffi\_dll.py", line 19, in &lt;module&gt;
      """)
    File "C:\Python27\Lib\site-packages\cffi\api.py", line 107, in cdef
      self._parser.parse(csource, override=override, packed=packed)
    File "C:\Python27\Lib\site-packages\cffi\cparser.py", line 167, in parse
      self._internal_parse(csource)
    File "C:\Python27\Lib\site-packages\cffi\cparser.py", line 173, in _internal_parse
      ast, macros, csource = self._parse(csource)
    File "C:\Python27\Lib\site-packages\cffi\cparser.py", line 130, in _parse
      self.convert_pycparser_error(e, csource)
    File "C:\Python27\Lib\site-packages\cffi\cparser.py", line 159, in convert_pycparser_error
      raise api.CDefError(msg)
  cffi.api.CDefError: cannot parse "HMODULE WINAPI LoadLibraryExW(LPCTSTR lpFileName, HANDLE hFile, DWORD dwFlags);"
  :16:16: before: LoadLibraryExW
  </code></pre>
  
  <p>Does anyone know what is going on? It worked fine with the same file before reinstalling everything.</p>