# Launching Jupyter results in launch error **URL:** \ **Category:** Product Help\ **Created:** [April 16, 2025, 12:09am UTC](https://forum.anaconda.com/t/launching-jupyter-results-in-launch-error/94406 "2025-04-16T00:09:38Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Cassiopeia](https://avatars.discourse-cdn.com/v4/letter/c/0075a9/32.png) [@Cassiopeia](https://forum.anaconda.com/u/Cassiopeia)\ **Post date:** [April 16, 2025, 12:09am UTC](https://forum.anaconda.com/t/launching-jupyter-results-in-launch-error/94406/1 "2025-04-16T00:09:38Z")
When launching Jupyter I receive the error bellow. I have searched through other similar posts and have not found a solution. Please help if able, thank you. [W 2025-04-15 20:01:59.502 ServerApp] A `_jupyter_server_extension_points` function was not found in jupyter\_lsp. Instead, a `_jupyter_server_extension_paths` function was found and will be used for now. This function name will be deprecated in future releases of Jupyter Server. [W 2025-04-15 20:01:59.740 ServerApp] A `_jupyter_server_extension_points` function was not found in notebook\_shim. Instead, a `_jupyter_server_extension_paths` function was found and will be used for now. This function name will be deprecated in future releases of Jupyter Server. [I 2025-04-15 20:02:00.657 ServerApp] Extension package panel.io.jupyter\_server\_extension took 0.9167s to import [I 2025-04-15 20:02:00.658 ServerApp] jupyter\_lsp | extension was successfully linked. [I 2025-04-15 20:02:00.662 ServerApp] jupyter\_server\_terminals | extension was successfully linked. [I 2025-04-15 20:02:00.668 ServerApp] jupyterlab | extension was successfully linked. [I 2025-04-15 20:02:00.673 ServerApp] notebook | extension was successfully linked. [I 2025-04-15 20:02:01.012 ServerApp] notebook\_shim | extension was successfully linked. [I 2025-04-15 20:02:01.013 ServerApp] panel.io.jupyter\_server\_extension | extension was successfully linked. [I 2025-04-15 20:02:01.046 ServerApp] notebook\_shim | extension was successfully loaded. [I 2025-04-15 20:02:01.048 ServerApp] jupyter\_lsp | extension was successfully loaded. [I 2025-04-15 20:02:01.049 ServerApp] jupyter\_server\_terminals | extension was successfully loaded. [I 2025-04-15 20:02:01.052 LabApp] JupyterLab extension loaded from C:\Users\CjM\anaconda3\Lib\site-packages\jupyterlab [I 2025-04-15 20:02:01.052 LabApp] JupyterLab application directory is C:\Users\CjM\anaconda3\share\jupyter\lab [I 2025-04-15 20:02:01.053 LabApp] Extension Manager is ‘pypi’. [I 2025-04-15 20:02:01.237 ServerApp] jupyterlab | extension was successfully loaded. [I 2025-04-15 20:02:01.242 ServerApp] notebook | extension was successfully loaded. [I 2025-04-15 20:02:01.243 ServerApp] panel.io.jupyter\_server\_extension | extension was successfully loaded. [I 2025-04-15 20:02:01.244 ServerApp] Serving notebooks from local directory: C:\Users\CjM [I 2025-04-15 20:02:01.244 ServerApp] Jupyter Server 2.14.1 is running at: [I 2025-04-15 20:02:01.244 ServerApp] [http://localhost:8888/tree?token=7aa3db8c66327a13a2d14e644015fe39c57cd81d3f021ffd](http://localhost:8888/tree?token=7aa3db8c66327a13a2d14e644015fe39c57cd81d3f021ffd) [I 2025-04-15 20:02:01.244 ServerApp] [http://127.0.0.1:8888/tree?token=7aa3db8c66327a13a2d14e644015fe39c57cd81d3f021ffd](http://127.0.0.1:8888/tree?token=7aa3db8c66327a13a2d14e644015fe39c57cd81d3f021ffd) [I 2025-04-15 20:02:01.244 ServerApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [E 2025-04-15 20:02:01.244 ServerApp] Failed to write server-info to C:\Users\CjM\AppData\Roaming\jupyter\runtime\jpserver-4368.json: PermissionError(13, ‘Permission denied’) Traceback (most recent call last): File “C:\Users\CjM\anaconda3\Scripts\jupyter-notebook-script.py”, line 10, in sys.exit(main()) ^^^^^^ File “C:\Users\CjM\anaconda3\Lib\site-packages\jupyter\_server\extension\application.py”, line 623, in launch\_instance serverapp.start() File “C:\Users\CjM\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 3119, in start self.start\_app() File “C:\Users\CjM\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 3023, in start\_app self.write\_browser\_open\_files() File “C:\Users\CjM\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 2890, in write\_browser\_open\_files self.write\_browser\_open\_file() File “C:\Users\CjM\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 2913, in write\_browser\_open\_file with open(self.browser\_open\_file, “w”, encoding=“utf-8”) as f: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ PermissionError: [Errno 13] Permission denied: ‘C:\Users\CjM\AppData\Roaming\jupyter\runtime\jpserver-4368-open.html’ ---
**Author:** ![Cassiopeia](https://avatars.discourse-cdn.com/v4/letter/c/0075a9/32.png) [@Cassiopeia](https://forum.anaconda.com/u/Cassiopeia)\ **Post date:** [April 16, 2025, 12:48am UTC](https://forum.anaconda.com/t/launching-jupyter-results-in-launch-error/94406/2 "2025-04-16T00:48:01Z")
This issue has been resolved by going to the Jupyter runtime directory and accessing it by getting permissions ---
**Author:** ![Meenakshi2](https://avatars.discourse-cdn.com/v4/letter/m/c2df01/32.png) [@Meenakshi2](https://forum.anaconda.com/u/Meenakshi2)\ **Post date:** [March 30, 2026, 1:26pm UTC](https://forum.anaconda.com/t/launching-jupyter-results-in-launch-error/94406/3 "2026-03-30T13:26:29Z")
[I 2026-03-30 12:00:39.247 ServerApp] Extension package panel.io.jupyter\_server\_extension took 0.6402s to import [I 2026-03-30 12:00:39.248 ServerApp] jupyter\_lsp | extension was successfully linked. [I 2026-03-30 12:00:39.251 ServerApp] jupyter\_server\_terminals | extension was successfully linked. [I 2026-03-30 12:00:39.254 ServerApp] jupyterlab | extension was successfully linked. [I 2026-03-30 12:00:39.256 ServerApp] notebook | extension was successfully linked. [I 2026-03-30 12:00:39.565 ServerApp] notebook\_shim | extension was successfully linked. [I 2026-03-30 12:00:39.565 ServerApp] panel.io.jupyter\_server\_extension | extension was successfully linked. [I 2026-03-30 12:00:39.591 ServerApp] notebook\_shim | extension was successfully loaded. [I 2026-03-30 12:00:39.592 ServerApp] jupyter\_lsp | extension was successfully loaded. [I 2026-03-30 12:00:39.593 ServerApp] jupyter\_server\_terminals | extension was successfully loaded. [I 2026-03-30 12:00:39.596 LabApp] JupyterLab extension loaded from C:\Users\WIT-2526-PC181\anaconda3\Lib\site-packages\jupyterlab [I 2026-03-30 12:00:39.596 LabApp] JupyterLab application directory is C:\Users\WIT-2526-PC181\anaconda3\share\jupyter\lab [I 2026-03-30 12:00:39.596 LabApp] Extension Manager is ‘pypi’. [I 2026-03-30 12:00:39.747 ServerApp] jupyterlab | extension was successfully loaded. [I 2026-03-30 12:00:39.751 ServerApp] notebook | extension was successfully loaded. [I 2026-03-30 12:00:39.751 ServerApp] panel.io.jupyter\_server\_extension | extension was successfully loaded. [I 2026-03-30 12:00:39.752 ServerApp] Serving notebooks from local directory: C:\Users\WIT-2526-PC181 [I 2026-03-30 12:00:39.752 ServerApp] Jupyter Server 2.17.0 is running at: [I 2026-03-30 12:00:39.752 ServerApp] [http://localhost:8888/tree?token=e99cedc389eadee14faa95ee56faec67eee318017a0681d7](http://localhost:8888/tree?token=e99cedc389eadee14faa95ee56faec67eee318017a0681d7) [I 2026-03-30 12:00:39.752 ServerApp] [http://127.0.0.1:8888/tree?token=e99cedc389eadee14faa95ee56faec67eee318017a0681d7](http://127.0.0.1:8888/tree?token=e99cedc389eadee14faa95ee56faec67eee318017a0681d7) [I 2026-03-30 12:00:39.752 ServerApp] Use Control-C to stop this server and shut down all kernels (twice to skip confirmation). [E 2026-03-30 12:00:39.752 ServerApp] Failed to write server-info to C:\Users\WIT-2526-PC181\AppData\Roaming\jupyter\runtime\jpserver-484.json: PermissionError(13, ‘Permission denied’) Traceback (most recent call last): File “”, line 198, in \_run\_module\_as\_main File “”, line 88, in \_run\_code File “C:\Users\WIT-2526-PC181\anaconda3\Scripts\jupyter-notebook.exe\__main_\_.py”, line 6, in sys.exit(main()) ~~~~ ^^ File “C:\Users\WIT-2526-PC181\anaconda3\Lib\site-packages\jupyter\_server\extension\application.py”, line 635, in launch\_instance serverapp.start() ~~~~~~~~~~~~~~~ ^^ File “C:\Users\WIT-2526-PC181\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 3214, in start self.start\_app() ~~~~~~~~~~~~~~ ^^ File “C:\Users\WIT-2526-PC181\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 3106, in start\_app self.write\_browser\_open\_files() ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^^ File “C:\Users\WIT-2526-PC181\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 2973, in write\_browser\_open\_files self.write\_browser\_open\_file() ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^^ File “C:\Users\WIT-2526-PC181\anaconda3\Lib\site-packages\jupyter\_server\serverapp.py”, line 2996, in write\_browser\_open\_file with open(self.browser\_open\_file, “w”, encoding=“utf-8”) as f: ~~~~ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ PermissionError: [Errno 13] Permission denied: ‘C:\\Users\\WIT-2526-PC181\\AppData\\Roaming\\jupyter\\runtime\\jpserver-484-open.html’