When OneNote shows "Not Responding", it usually means the app is stuck during a task (syncing, loading a large notebook, ...
Some users have said that they are receiving the OneNote sync error 0xE0190193 (403: Forbidden) despite being the owner of the notebook. You can try the following ...
If you were trying to create a new Notebook in the OneNote Desktop version and saw Invalid Notebook Name error message then this post is sure to help you. In this ...