# Jupyter Notebook error **URL:** \ **Category:** Bugs & Issues\ **Created:** [December 12, 2025, 1:39pm UTC](https://forum.anaconda.com/t/jupyter-notebook-error/108036 "2025-12-12T13:39:48Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Arron](https://avatars.discourse-cdn.com/v4/letter/a/f5a800/32.png) [@Arron](https://forum.anaconda.com/u/Arron)\ **Post date:** [December 12, 2025, 1:39pm UTC](https://forum.anaconda.com/t/jupyter-notebook-error/108036/1 "2025-12-12T13:39:48Z")
Hello all, I am receiving an error when opening jupyter notebook. Please see the error attached to this post. Has anyone else received this error and found a solution? ![Screenshot 2025-12-12 083019](https://europe1.discourse-cdn.com/anaconda/original/2X/e/e8e8c70b20f69a9c9550bef72a8efd2b3f3d6058.png) ---
**Author:** ![JackEvans](https://dub1.discourse-cdn.com/anaconda/user_avatar/forum.anaconda.com/jackevans/32/5088_2.png) [@JackEvans](https://forum.anaconda.com/u/JackEvans)\ **Post date:** [December 12, 2025, 4:28pm UTC](https://forum.anaconda.com/t/jupyter-notebook-error/108036/2 "2025-12-12T16:28:53Z")
Hey @Arron, We rolled out an update that is unfortunately causing some users to have to clear their cookies and try again. To do this follow these instructions: 1. Right click on the page → inspect 2. Go to the Application tab 3. Find the Cookies section and right click → Clear on [nb.anaconda.com](http://nb.anaconda.com) It should look something like this ![image](https://europe1.discourse-cdn.com/anaconda/original/2X/6/65b03819672c552f052f1142b99bf5065579699f.png) Let me know if this helps, Jack ---
**Author:** ![Frede](https://avatars.discourse-cdn.com/v4/letter/f/00a5b5/32.png) [@Frede](https://forum.anaconda.com/u/Frede)\ **Post date:** [December 19, 2025, 12:07pm UTC](https://forum.anaconda.com/t/jupyter-notebook-error/108036/3 "2025-12-19T12:07:26Z")
Hi Jack Thank you for the feedback, It also helped to clear the history in the browser. / Frede