This article lists some effective fixes that you can follow if the OneNote search is not working on your Windows computer.

According to Microsoft, the OneNote sync error 0xE40105F9 occurs when you are using an outdated version of OneNote which is no longer supported by the Microsoft ...

For fixing Windows errors, we recommend Fortect: Fortect will identify and deploy the correct fix for your Windows errors. Follow the 3 easy steps to get rid of ...