Python anaconda Jupyter笔记本中的内核错误

我在Windows 10的anaconda中安装了新版本的anaconda。我在Jupyter笔记本中发现内核错误。我尝试了很多方法来修复它。但失败了。这就是错误所在。有人能给我引路吗？谢谢

Traceback (most recent call last):
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\web.py", line 1703, in _execute
result = await result
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
yielded = self.gen.throw(*exc_info)  # type: ignore
File "C:\ProgramData\Anaconda3\lib\site-packages\notebook\services\sessions\handlers.py", line 69, in post
model = yield maybe_future(
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
value = future.result()
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
yielded = self.gen.throw(*exc_info)  # type: ignore
File "C:\ProgramData\Anaconda3\lib\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:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
value = future.result()
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 742, in run
yielded = self.gen.throw(*exc_info)  # type: ignore
File "C:\ProgramData\Anaconda3\lib\site-packages\notebook\services\sessions\sessionmanager.py", line 100, in start_kernel_for_session
kernel_id = yield maybe_future(
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 735, in run
value = future.result()
File "C:\ProgramData\Anaconda3\lib\site-packages\tornado\gen.py", line 209, in wrapper
yielded = next(result)
File "C:\ProgramData\Anaconda3\lib\site-packages\notebook\services\kernels\kernelmanager.py", line 168, in start_kernel
super(MappingKernelManager, self).start_kernel(**kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\jupyter_client\multikernelmanager.py", line 186, in start_kernel
km.start_kernel(**kwargs)
File "C:\ProgramData\Anaconda3\lib\site-packages\jupyter_client\manager.py", line 308, in start_kernel
self.kernel = self._launch_kernel(kernel_cmd, **kw)
File "C:\ProgramData\Anaconda3\lib\site-packages\jupyter_client\manager.py", line 215, in _launch_kernel
return launch_kernel(kernel_cmd, **kw)
File "C:\ProgramData\Anaconda3\lib\site-packages\jupyter_client\launcher.py", line 135, in launch_kernel
proc = Popen(cmd, **kwargs)
File "C:\ProgramData\Anaconda3\lib\subprocess.py", line 854, in __init__
self._execute_child(args, executable, preexec_fn, close_fds,
File "C:\ProgramData\Anaconda3\lib\subprocess.py", line 1307, in _execute_child
hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] The system cannot find the file specified

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你什么时候收到错误？什么时候运行笔记本？什么时候运行代码？如果是后者，您能添加一个代码片段吗？当我尝试运行笔记本时，我在笔记本顶部看到“内核错误”。