It is frustrating to run into this OneNote error 0xe0000002.
Normally, you will encounter this error when launching OneNote and OneNote crashes unexpectedly after displaying this glitch notice.
So, how to handle this glitch?

This post on theMiniTool Websitewill give you some clues.
This error can happen when youuse OneNoteat any time, for example, when you pull up the program.
Advice: Back up Your Data
Many users use OneNote in their working and studying lives.

We highly recommend you nurture a habit of backup.
verify your important data has a backup.
To do that, you’ve got the option to use MiniTool ShadowMaker afree backup software.

Apart fromfile backup, you might alsobackup system, partitions, and disks.
Besides, MiniTool can be used as a file-sharing tool.
you might sync your files among drives, including NAS devices.
Try this software and you might get a 30-day free trial version.
Alternatively, you could follow to temporarily block the real protection from Windows Security.
Step 1: OpenSettingsby pressingWin + Iand go toUpdate & Security > Windows Security > Virus & threat protection.
Step 2: ClickManage settingsunderVirus & threat protection settingsand turn off theReal-time protectionoption.
To update OneNote, you need tocheck Office for updates.
Step 1: Launch OneDrive and open theFilemenu.
Step 2: Go to theAccounttab and chooseUpdate Options > Update Nowto download and load the latest updates.
Fix 3: reset the OneNote Cache
Corruptedcache filescan cause the OneNote error 0xe0000002.
To flush the OneNote cache, you could do as follows.
Step 1: Open your File Explorer and follow this location.
C:\Users\user\AppData\Local\Microsoft\OneNote\16.0
Step 2: Then locate and delete thecachefolder in it.
Step 1: OpenSettings > Apps > Apps & features.
Step 2: Scroll down to locate your installed OneNote and tap on it to chooseAdvanced options.
Step 3: Then scroll down to clickRepairand follow the next instructions to finish the move.
Step 1: Still, openApps & featuresand locate Office.
Step 2: Choose the Office app and clickUninstall > Uninstall.
After that, you canre-download and load the Officeprogram again.
Bottom Line:
These five methods can help you patch up the OneNote error 0xe0000002.
To better protect your data, we highly recommend you back up your important data with MiniTool ShadowMaker.
Hope this post has resolved your issue.