无法在Anaconda提示符下启动Jupyter笔记本（错误：async）

Question

在最初安装后的三个月里，我一直在打开jupyter笔记本，方法是进入Anaconda提示符，然后简单地键入“jupyter notebook”；然而，从今天下午开始，我收到了下面的错误消息。在我的windows“开始”菜单中启动jupyter笔记本也不起作用，我也无法让Anaconda Navigator启动。我也尝试过卸载和重新安装所有与Anaconda和Python相关的程序，但它仍然显示下面相同的错误消息

(base) C:\Users\jieming>jupyter notebook
Traceback (most recent call last):
  File "C:\Users\jieming\Anaconda3\lib\asyncio\__init__.py", line 16, in <module>
    from . import _overlapped
ImportError: cannot import name '_overlapped'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "C:\Users\jieming\Anaconda3\Scripts\jupyter-notebook-script.py", line 6, in <module>
    from notebook.notebookapp import main
  File "C:\Users\jieming\Anaconda3\lib\site-packages\notebook\notebookapp.py", line 38, in <module>
    from jinja2 import Environment, FileSystemLoader
  File "C:\Users\jieming\Anaconda3\lib\site-packages\jinja2\__init__.py", line 82, in <module>
    _patch_async()
  File "C:\Users\jieming\Anaconda3\lib\site-packages\jinja2\__init__.py", line 78, in _patch_async
    from jinja2.asyncsupport import patch_all
  File "C:\Users\jieming\Anaconda3\lib\site-packages\jinja2\asyncsupport.py", line 13, in <module>
    import asyncio
  File "C:\Users\jieming\Anaconda3\lib\asyncio\__init__.py", line 18, in <module>
    import _overlapped  # Will also be exported.
OSError: [WinError 10107] 系统调用失败 (roughly translates into: failure to call the relevant system)。