Navigator Error

[liaoxiaokun]

Main error

Application notebook launch may have produced errors.

Traceback

[I 15:00:19.050 NotebookApp] The port 8888 is already in use, trying another port.
[I 15:00:19.505 NotebookApp] Serving notebooks from local directory: C:\Users\.xiaokun
[I 15:00:19.505 NotebookApp] 0 active kernels 
[I 15:00:19.505 NotebookApp] The Jupyter Notebook is running at: http://localhost:8889/?token=c02064cc51ef38cfc625c8eebaef6bbefd34fba2cfa6c82a
[I 15:00:19.505 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 15:00:19.508 NotebookApp] 
    
    Copy/paste this URL into your browser when you connect for the first time,
    to login with a token:
        http://localhost:8889/?token=c02064cc51ef38cfc625c8eebaef6bbefd34fba2cfa6c82a
[I 15:00:20.413 NotebookApp] Accepting one-time-token-authenticated connection from ::1
[I 15:00:20.415 NotebookApp] Refusing to serve hidden directory, via 404 Error
[W 15:00:20.449 NotebookApp] 404 GET /tree?token=1a4e68c6329101db805b71b04cac895d773195370320b358 (::1) 37.02ms referer=None

System information

python: 3.6.1
language: zh_CN
os: Windows;8.1;6.3.9600;AMD64;Intel64 Family 6 Model 60 Stepping 3, GenuineIntel
version: 1.6.2
platform: win-64
qt: 5.6.2
pyqt: 5.6.0
conda: 4.3.21

[goanpeca]

See Issue jupyter/notebook#2382 for more information on how to fix this.

---

Please remember to update to the latest version of Navigator to include
the latest fixes.

Open a terminal (on Linux or Mac) or the Anaconda Command Prompt (on windows)
and type:

$ conda update conda
$ conda update anaconda-navigator
$ conda update navigator-updater