How to Clear Windows Security History in Windows 11

This guide explains how to manually delete your Windows Security protection history.

The Protection history page in the Windows Security app shows you what Microsoft Defender Antivirus Protection history has done. It tracks things like removed apps or changed system settings.

Why clear your history?

Windows usually keeps these logs for two weeks. Clearing them manually helps you clean up your logs if you have already fixed the reported issues and want a fresh start.

What happens when you are done?

Once you finish these steps, the list of past security events in your Windows Security app will be empty. This does not change your actual security settings.

How to remove Windows Security history

You do not have to wait for the automatic 15-day timer. You can clear these logs whenever you like.

Note: You must be signed in with an account that has administrator privileges to perform these steps. If an event still needs your attention, you must fix it before you can delete the history record.

1. Open File Explorer by clicking the icon open File Explorer or pressing the Windows key + E on your keyboard.
2. Copy and paste the following path into the address bar at the top of the window: C:\ProgramData\Microsoft\Windows Defender\Scans\History
3. Locate the Service folder.
4. Right-click the Service folder and select Delete.

Restart your computer to finish the process.

Summary

You can quickly clear your security history by deleting the Service folder located at C:\ProgramData\Microsoft\Windows Defender\Scans\History. Remember that you need administrator access to do this. After deleting the folder and restarting your PC, your protection history will be cleared.