Hy to Helping Hands!
I have faced issues a lot of days to run files in Notebook. I have discussed with ChatGpt, DeepSeek, but problem could not resolve. I have three times reinstalled anaconda on my window machine(laptop). When I try to run any file then three options faced.
Cancel, Revert, Overwrite
but any option is working. In terminal that message is appeared when I run jupyter at start:
): Kernel does not exist: 9d680e2e-6cde-46ad-a7ca-7c57c2e53b15
[W 2025-05-18 18:06:49.829 ServerApp] wrote error: ‘Kernel does not exist: 9d680e2e-6cde-46ad-a7ca-7c57c2e53b15’
Traceback (most recent call last):
File “C:\Users\Ahmad\anaconda3\envs\ds\Lib\site-packages\tornado\web.py”, line 1790, in _execute
result = await result
^^^^^^^^^^^^
File “C:\Users\Ahmad\anaconda3\envs\ds\Lib\site-packages\jupyter_server\auth\decorator.py”, line 73, in inner
return await out
^^^^^^^^^
File “C:\Users\Ahmad\anaconda3\envs\ds\Lib\site-packages\jupyter_server\services\kernels\handlers.py”, line 75, in get
model = await ensure_async(km.kernel_model(kernel_id))
~~~~~~~~~~~~~~~^^^^^^^^^^^
File “C:\Users\Ahmad\anaconda3\envs\ds\Lib\site-packages\jupyter_server\services\kernels\kernelmanager.py”, line 508, in kernel_model
self._check_kernel_id(kernel_id)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
File “C:\Users\Ahmad\anaconda3\envs\ds\Lib\site-packages\jupyter_server\services\kernels\kernelmanager.py”, line 539, in _check_kernel_id
raise web.HTTPError(404, “Kernel does not exist: %s” % kernel_id)
tornado.web.HTTPError: HTTP 404: Not Found (Kernel does not exist: 9d680e2e-6cde-46ad-a7ca-7c57c2e53b15)