# Fatal Error when launcing Jupyter

**URL:** <https://discourse.jupyter.org/t/fatal-error-when-launcing-jupyter/4513>\
**Category:** Notebook\
**Created:** [May 23, 2020, 3:16am UTC](https://discourse.jupyter.org/t/fatal-error-when-launcing-jupyter/4513 "2020-05-23T03:16:22Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![feranolami](https://yyz1.discourse-cdn.com/flex031/user_avatar/discourse.jupyter.org/feranolami/32/2118_2.png) [@feranolami](https://discourse.jupyter.org/u/feranolami)\
**Post date:** [May 23, 2020, 3:16am UTC](https://discourse.jupyter.org/t/fatal-error-when-launcing-jupyter/4513/1 "2020-05-23T03:16:22Z")

</div>

I cant launch Jupyter notebook from my TensorFlow environment. It keeps raising this error:  
"Fatal error in launcher: Unable to find an appended archive. "

 ![error](https://canada1.discourse-cdn.com/flex031/uploads/jupyter/original/2X/f/fe7d8ca9c64aa60792315787e72c2a22bc6e5641.jpeg)

Pls, what should I do?