在windows环境下使用python2.7版本、Django版本为1.1.6
启动Django项目时，会报如下错误：

Traceback (most recent call last):
  File "D:\PyCharm 2017.1\helpers\pydev\pydevd.py", line 1578, in <module>
    globals = debugger.run(setup['file'], None, None, is_module)
  File "D:\PyCharm 2017.1\helpers\pydev\pydevd.py", line 1015, in run
    pydev_imports.execfile(file, globals, locals)  # execute the script
  File "D:/Project/MyDashborad/manage.py", line 22, in <module>
    execute_from_command_line(sys.argv)
  File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 364, in execute_from_command_line
    utility.execute()
  File "C:\Python27\lib\site-packages\django\core\management\__init__.py", line 356, in execute
    self.fetch_command(subcommand).run_from_argv(self.argv)
  File "C:\Python27\lib\site-packages\django\core\management\base.py", line 283, in run_from_argv
    self.execute(*args, **cmd_options)
  File "C:\Python27\lib\site-packages\django\core\management\commands\runserver.py", line 62, in execute
    super(Command, self).execute(*args, **options)
  File "C:\Python27\lib\site-packages\django\core\management\base.py", line 330, in execute
    output = self.handle(*args, **options)
  File "C:\Python27\lib\site-packages\django\core\management\commands\runserver.py", line 101, in handle
    self.run(**options)
  File "C:\Python27\lib\site-packages\django\core\management\commands\runserver.py", line 110, in run
    autoreload.main(self.inner_run, None, options)
  File "C:\Python27\lib\site-packages\django\utils\autoreload.py", line 341, in main
    reloader(wrapped_main_func, args, kwargs)
  File "C:\Python27\lib\site-packages\django\utils\autoreload.py", line 312, in python_reloader
    exit_code = restart_with_reloader()
  File "C:\Python27\lib\site-packages\django\utils\autoreload.py", line 298, in restart_with_reloader
    exit_code = subprocess.call(args, env=new_environ)
  File "C:\Python27\lib\subprocess.py", line 523, in call
    return Popen(*popenargs, **kwargs).wait()
  File "C:\Python27\lib\subprocess.py", line 711, in __init__
    errread, errwrite)
  File "C:\Python27\lib\subprocess.py", line 959, in _execute_child
    startupinfo)
  File "D:\PyCharm 2017.1\helpers\pydev\_pydev_bundle\pydev_monkey.py", line 420, in new_CreateProcess
    return getattr(_subprocess, original_name)(app_name, patch_arg_str_win(cmd_line), *args)
WindowsError: [Error 87] 

但是不是每次启动都会报错，在10次中可能会有1次成功