Anaconda 更新后 Jupyter Notebook 死内核

I got the following problem. After update Anaconda because I got an error to import skimage.io to a project in Jupyter Notebook an even a greater error appear - Dead Kernel. Right now I could not ever start a project because the Jupyter gives the following error is:

Copy/paste this URL into your browser when you connect for the first time,
to login with a token:
    http://localhost:8888/? 
token=aaf85a5e18489792c87cce65d7a53a0263cd5c08cc7248b 6
[I 00:55:13.451 NotebookApp] Accepting one-time-token-authenticated 
connection from ::1
[I 00:55:31.607 NotebookApp] Kernel started: 608d2190-59e6-4888-b09a- 
e616f67bd5b4
Traceback (most recent call last):
ERROR:tornado.general:Uncaught exception in ZMQStream callback
Traceback (most recent call last):
File "C:Program FilesAnaconda3libsite- 
packageszmqeventloopzmqstream.py", line 432, in _run_callback
callback(*args, **kwargs)
File "C:Program FilesAnaconda3libsite- 
packages	ornadostack_context.py", line 276, in null_wrapper
return fn(*args, **kwargs)
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelbase.py", 
line 283, in dispatcher
return self.dispatch_shell(stream, msg)
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelbase.py", 
line 233, in dispatch_shell
self.pre_handler_hook()
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelbase.py", 
line 248, in pre_handler_hook
self.saved_sigint_handler = signal(SIGINT, default_int_handler)
File "C:Program FilesAnaconda3libsignal.py", line 47, in signal
handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler))
ValueError: signal only works in main thread  File "C:Program 
FilesAnaconda3libunpy.py", line 193, in _run_module_as_main
"__main__", mod_spec)

File "C:Program FilesAnaconda3libunpy.py", line 85, in _run_code
exec(code, run_globals)
File "C:Program FilesAnaconda3libsite-packagesipykernel_launcher.py", 
line 16, in <module>
app.launch_new_instance()
File "C:Program FilesAnaconda3libsite- 
packages	raitletsconfigapplication.py", line 658, in launch_instance
app.start()
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelapp.py", 
line 477, in start
ioloop.IOLoop.instance().start()
File "C:Program FilesAnaconda3libsite- 
packages	ornadoplatformasyncio.py", line 112, in start
self.asyncio_loop.run_forever()
ERROR:tornado.general:Uncaught exception in zmqstream callback
Traceback (most recent call last):
File "C:Program FilesAnaconda3libsite- 
packageszmqeventloopzmqstream.py", line 450, in _handle_events
self._handle_recv()
File "C:Program FilesAnaconda3libsite- 
packageszmqeventloopzmqstream.py", line 480, in _handle_recv
self._run_callback(callback, msg)
File "C:Program FilesAnaconda3libsite- 
packageszmqeventloopzmqstream.py", line 432, in _run_callback
callback(*args, **kwargs)
File "C:Program FilesAnaconda3libsite- 
packages	ornadostack_context.py", line 276, in null_wrapper
return fn(*args, **kwargs)
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelbase.py", 
line 283, in dispatcher
return self.dispatch_shell(stream, msg)
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelbase.py", 
line 233, in dispatch_shell
self.pre_handler_hook()
File "C:Program FilesAnaconda3libsite-packagesipykernelkernelbase.py", 
line 248, in pre_handler_hook
self.saved_sigint_handler = signal(SIGINT, default_int_handler)
File "C:Program FilesAnaconda3libsignal.py", line 47, in signal
handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler))
ValueError: signal only works in main thread  File "C:Program   
FilesAnaconda3libasyncioase_events.py", line 409, in run_forever

解决方案

在尝试了很多快速修复"——卸载和安装 Jupyter 包等之后，唯一的办法就是从头卸载和安装 Anaconda.如果您不害怕从头开始安装所有软件包(在我的情况下没有必要)，那么这个解决方案是最好的.