小编Ken*_*Ken的帖子

每当启动 Jupyter 笔记本时，我都会收到应用程序启动错误。我尝试按照错误最后一行中的说明进行操作，但错误永远不会消失。可能是工作目录的问题吗？

当我使用 %pwd 检查 Jupyter 笔记本中的工作目录时，我得到 C:\Users\mayerk

但是，我的 Anaconda 工作目录是 C:\Users\mayerk\AppData\Local\Continuum\anaconda3

这是每次启动 Jupyter Notebook 时 Anaconda Navigator 返回的错误：

[I 09:30:37.269 NotebookApp] The port 8888 is already in use, trying another port.

[I 09:30:37.269 NotebookApp] The port 8889 is already in use, trying another port.

[I 09:30:37.270 NotebookApp] The port 8890 is already in use, trying another port.

[I 09:30:37.324 NotebookApp] JupyterLab beta preview extension loaded from C:\Users\mayerk\AppData\Local\Continuum\anaconda3\lib\site-packages\jupyterlab

[I 09:30:37.324 NotebookApp] JupyterLab application directory is C:\Users\mayerk\AppData\Local\Continuum\anaconda3\share\jupyter\lab

[W 09:30:37.334 NotebookApp] …