Navigator Error

[walaash]

Main error

Application notebook launch may have produced errors.

Traceback

[I 20:32:04.296 NotebookApp] The port 8888 is already in use, trying another port.
[I 20:32:04.421 NotebookApp] Serving notebooks from local directory: C:\Users\Walaa
[I 20:32:04.421 NotebookApp] 0 active kernels 
[I 20:32:04.421 NotebookApp] The Jupyter Notebook is running at: http://localhost:8889/?token=7cce5e12c05b1cd51ef8abd810af352b3977f665e742a2f2
[I 20:32:04.423 NotebookApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation).
[C 20:32:04.427 NotebookApp] 
    
    Copy/paste this URL into your browser when you connect for the first time,
    to login with a token:
        http://localhost:8889/?token=7cce5e12c05b1cd51ef8abd810af352b3977f665e742a2f2
[I 20:32:04.770 NotebookApp] Accepting one-time-token-authenticated connection from ::1
[I 20:32:04.773 NotebookApp] Refusing to serve hidden directory, via 404 Error
[W 20:32:04.812 NotebookApp] 404 GET /tree?token=a7beb1a8c7d7ea019e5bec4a2420bfdd75803c81de2d028b (::1) 44.00ms referer=None

System information

platform: win-64
version: 1.6.2
conda: 4.3.22
qt: 5.6.2
language: en_US
python: 2.7.13
os: Windows;10;10.0.15063;AMD64;Intel64 Family 6 Model 78 Stepping 3, GenuineIntel
pyqt: 5.6.0

[goanpeca]

See jupyter/notebook#2382