title: Can not run virtualenv successfully on win10
body: <p>I use python36 and win10, I can install virtualenv successfully. But when I want to activate it, some mistakes have occurred.</p>
  
  <pre><code>$pip install virtualenv
  Requirement already satisfied: virtualenv in c:\users\appdata\local\programs\python\python36\lib\site-packages
  $virtualenv venv
  Using base prefix 'c:\\users\\appdata\\local\\programs\\python\\python36'
  New python executable in C:\Users\myvenv\venv\Scripts\python.exe
  Installing setuptools, pip, wheel...
    Complete output from command C:\Users\myvenv\venv\Scripts\python.exe - setuptools pip wheel:
    Traceback (most recent call last):
    File "&lt;stdin&gt;", line 3, in &lt;module&gt;
  ModuleNotFoundError: No module named 'pkgutil'
  ----------------------------------------
  ...Installing setuptools, pip, wheel...done.
  Traceback (most recent call last):
    File "c:\users\appdata\local\programs\python\python36\lib\runpy.py", line 193, in _run_module_as_main
  "__main__", mod_spec)
    File "c:\users\appdata\local\programs\python\python36\lib\runpy.py", line 85, in _run_code
  exec(code, run_globals)
    File "C:\Users\AppData\Local\Programs\Python\Python36\Scripts\virtualenv.exe\__main__.py", line 9, in &lt;module&gt;
    File "c:\users\appdata\local\programs\python\python36\lib\site-packages\virtualenv.py", line 713, in main
  symlink=options.symlink)
    File "c:\users\appdata\local\programs\python\python36\lib\site-packages\virtualenv.py", line 945, in create_environment
  download=download,
    File "c:\users\appdata\local\programs\python\python36\lib\site-packages\virtualenv.py", line 901, in install_wheel
  call_subprocess(cmd, show_stdout=False, extra_env=env, stdin=SCRIPT)
    File "c:\users\appdata\local\programs\python\python36\lib\site-packages\virtualenv.py", line 797, in call_subprocess
  % (cmd_desc, proc.returncode))
  OSError: Command C:\Users\myvenv\venv\Scripts\python.exe - setuptools pip wheel failed with error code 1
  </code></pre>
  
  <p>Why is there such a problem?</p>