Getting error when launching Jupyter Notebooks or jupyterLabs

Hi, I am getting the errors blow when launching Jupyter Notebooks or JupyterLabs:

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*** ***Traceback (most recent call last):*** ***File "F:\anaconda3_\Scripts\jupyter-notebook-script.py", line 10, in *** ***sys.exit(main())*** ***File "F:\anaconda3_\lib\site-packages\jupyter_core\application.py", line 270, in launch_instance*** ***return super(JupyterApp, cls).launch_instance(argv=argv, **kwargs)*** ***File "F:\anaconda3_\lib\site-packages\traitlets\config\application.py", line 844, in launch_instance*** ***app.initialize(argv)*** ***File "F:\anaconda3_\lib\site-packages\traitlets\config\application.py", line 87, in inner*** ***return method(app, *args, **kwargs)*** ***File "C:\Users\Yayra\AppData\Roaming\Python\Python38\site-packages\notebook\notebookapp.py", line 1368, in initialize*** ***self.init_webapp()*** ***File "C:\Users\Yayra\AppData\Roaming\Python\Python38\site-packages\notebook\notebookapp.py", line 1188, in init_webapp*** ***self.http_server.listen(port, self.ip)*** ***File "F:\anaconda3_\lib\site-packages\tornado\tcpserver.py", line 152, in listen*** ***self.add_sockets(sockets)*** ***File "F:\anaconda3_\lib\site-packages\tornado\tcpserver.py", line 165, in add_sockets*** ***self._handlers[sock.fileno()] = add_accept_handler(*** ***File "F:\anaconda3_\lib\site-packages\tornado\netutil.py", line 279, in add_accept_handler*** ***io_loop.add_handler(sock, accept_handler, IOLoop.READ)*** ***File "F:\anaconda3_\lib\site-packages\tornado\platform\asyncio.py", line 100, in add_handler*** ***self.asyncio_loop.add_reader(fd, self._handle_events, fd, IOLoop.READ)*** ***File "F:\anaconda3_\lib\asyncio\events.py", line 501, in add_reader*** ***raise NotImplementedError*** ***NotImplementedError*** ***

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Pls help me troubleshoot and clear this error.