title: I open jupyter on Anaconda3 and appear kernel error, what i do?
body: <p>In the kernel error appears  this:</p>
  
  <p>Traceback (most recent call last):
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\web.py", line 1699, in _execute
      result = await result
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 742, in run
      yielded = self.gen.throw(*exc_info)  # type: ignore
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\notebook\services\sessions\handlers.py", line 72, in post
      type=mtype))
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 735, in run
      value = future.result()
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 742, in run
      yielded = self.gen.throw(*exc_info)  # type: ignore
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\notebook\services\sessions\sessionmanager.py", line 88, in create_session
      kernel_id = yield self.start_kernel_for_session(session_id, path, name, type, kernel_name)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 735, in run
      value = future.result()
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 742, in run
      yielded = self.gen.throw(*exc_info)  # type: ignore
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\notebook\services\sessions\sessionmanager.py", line 101, in start_kernel_for_session
      self.kernel_manager.start_kernel(path=kernel_path, kernel_name=kernel_name)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 735, in run
      value = future.result()
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\tornado\gen.py", line 209, in wrapper
      yielded = next(result)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\notebook\services\kernels\kernelmanager.py", line 168, in start_kernel
      super(MappingKernelManager, self).start_kernel(**kwargs)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\jupyter_client\multikernelmanager.py", line 110, in start_kernel
      km.start_kernel(**kwargs)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\jupyter_client\manager.py", line 240, in start_kernel
      self.write_connection_file()
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\jupyter_client\connect.py", line 476, in write_connection_file
      kernel_name=self.kernel_name
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\jupyter_client\connect.py", line 141, in write_connection_file
      with secure_write(fname) as f:
    File "C:\Users\A0165\Anaconda3\lib\contextlib.py", line 112, in <strong>enter</strong>
      return next(self.gen)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\jupyter_core\paths.py", line 404, in secure_write
      win32_restrict_file_to_user(fname)
    File "C:\Users\A0165\AppData\Roaming\Python\Python37\site-packages\jupyter_core\paths.py", line 359, in win32_restrict_file_to_user
      import win32api
  ImportError: DLL load failed: No se encontró el proceso especificado.</p>