Windows shuts down when scanning for viruses?

Windows Defender full scan causes PC to shut down?

What should you do when this issue occurs?

restart your computer

In this post fromMiniTool, you will learn a couple of feasible solutions.

Recently, many users complained that the computer crashes when scanning for viruses.

Now lets see what should you do if your PC shuts down when scanning for viruses.

Fixed: Windows Security Shows Unknown in Windows 11/10

Solutions to Windows Shuts Down When Scanning for Viruses

Solution 1.

To rule these out, you’re free to choose torun Windows in safe mode.

This is because asafe modewill boot your box with the basic system programs and services started.

optimize the drive

it’s possible for you to boot into safe mode from Windows controls.

PressWindows + Ikey combination to open Windows parameters.

ClickUpdate & Security>Recovery.

[Fixed]: Computer Freezes When Trying to Print Windows 10/11

In the Windows Recovery Environment, clickTroubleshoot>Advanced options>Startup tweaks>Restart.

In the new window, choose the appropriate option by using your keyboard to access safe mode.

In safe mode, spin up the antivirus software to scan your rig for viruses.

Solution 2.

If yes, uninstall the problematic antivirus.

Here this article may be helpful:5 Best Free Antivirus for Windows 11/10 Computer.

Windows Security shows unknown in Windows 11/10?

Read this post to fix this Windows Defender unknown issue.

Solution 3.

This increases the performance and speed of your machine or laptop.

Here you’re free to see how to perform a disk defragment.

Typedefragmentin the Windows search box, then clickDefragment and Optimize Drives.

Step 2. go for the target HDD and click theAnalyzebutton to peek if the drive needs to be defragmented.

If not, click theOptimizebutton to defragment the drive.

Wait for the process to complete.

Then run a virus scan and test whether your system still shuts down.

Solution 4.

Newer versions of Windows fix many bugs in Windows and related software.

So, you’re gonna wanna open Windows configs to check for Windows updates.

Further Reading

Windows claims that Windows updates will not delete your personal data.

However, Windows users feedback shows that some users encountered data loss issues after updating Windows.

Torecover the files lost after the Windows update, you could choose MiniTool Power Data Recovery.

MiniTool Power Data Recovery FreeClick to Download100%Clean & Safe

Solution 5.

In this case, you canuse the System File Checker toolto repair missing or corrupted system files.

This article shows you what should you do if your setup freezes when trying to print in Windows 10/11.

Just try the listed solutions above.

Thank you in advance.

If your files get lost during the issue repair process, use MiniTool Power Data Recovery torecover deleted files.