Fix Windows Defender Protection History Not Showing

Fixed Windows 10 "Protect History Not Shown" issue

Have you ever encountered the problem of "Protection History Not Shown"? This article will focus on this issue and provide several solutions. In addition, this article will introduce a practical data recovery software to help you recover lost protection history.

How to fix the issue of protecting history not showing in Windows 10

Method 1: Check for Windows Updates

The latest Windows systems can fix bugs and vulnerabilities in Windows and related software, thus protecting your computer from malicious attacks. Therefore, if your Windows Defender protection history is not displayed, you should first follow the steps below to check if Windows needs updates.

Step 1: Press the Windows I key combination to open Windows settings.

Step 2: Go to Update & Security > Windows Update .

Step 3: You will see in the right panel whether Windows has been updated. If not, you need to click Check for updates to get the latest version.

Method 2: Delete the detection history file

According to network information, if you cannot see the protection history in Windows Defender, deleting the detection history file is also an effective way. You can delete these files by following the steps below.

Step 1: Type cmd in the Windows search box, then right-click the command prompt and select Run as administrator .

Step 2: In the user account control window that pops up, select Yes .

Step 3: Type del "C:\ProgramData\Microsoft\Windows Defender\Scans\mpcache*" in a new window and press Enter .

Step 4: Type del "C:\ProgramData\Microsoft\Windows Defender\Scans\History\Service\DetectionHistory\*" and press Enter .

Step 5: Enter del "C:\ProgramData\Microsoft\Windows Defender\Scans\mpenginedb.db" and press Enter .

Step 6: Restart the computer and check if the "Protection History Not Shown" issue has been resolved.

Method 3: Run DISM and SFC scans

If your protection history is lost, it is most likely caused by system files corruption. In this case, you need to perform a DISM and SFC scan. These two commands will scan all protected system files and replace the corrupted files with the correct cached copy.

For detailed steps to run DISM and SFC scans, you can refer to this article: CHKDSK vs ScanDisk vs SFC vs DISM Windows 10 .

Method 4: Reset Windows Defender

If none of the above methods work, you can try resetting Windows Defender. You can follow the steps below.

Step 1: Click the Start button and scroll down to find Windows Security .

Step 2: Right-click Windows Security and click More Tools . Then select Apply Settings .

Step 3: Scroll down and click Terminate . Then click Reset and wait for the process to complete.

Now you can check if your protection history has been restored.

Method 5: Check and uninstall other applications

If you have other Windows security applications installed, the "Protection history is not displayed" issue may also occur. In this case, you can follow the following guide to check and uninstall.

Step 1: Use the Windows Search box to open the Control Panel .

Step 2: Click Security and Maintenance from the options.

Step 3: Click the drop-down triangle on the right to expand it safe .

Step 4: If there is other security software here, you need to uninstall it.

Step 5: Restart your computer and check your protection history again.

How to restore protection history

Some users report that they want to recover lost protection history files but don't know how to do it. Here, it is highly recommended to use the professional MiniTool Power Data Recovery data recovery software. It is used to recover data in Windows 11/10/8/7.

In just a few steps, you can use MiniTool Power Data Recovery to recover deleted or lost data.

For detailed steps to recover files, please refer to this article: How to Recover Permanently Deleted Files in Windows .

Conclusion

In summary, this article introduces several ways to fix "protect history not shown". Hopefully you can use the above methods to effectively solve your problem.

If you have any questions about protecting history or MiniTool Power Data Recovery, you can leave a message in the comment section below or send an email directly.

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