How to: Fix Malware Detected Windows Defender Is Taking Action

How to: Fix Malware Detected Windows Defender Is Taking Action

Here we can see, “How to: Fix Malware Detected Windows Defender Is Taking Action”

  • Malware discovered by Windows Defender is highly widespread and difficult to resolve.
  • Check the Windows scanning history to see whether any malware was discovered.
  • If the warning continues, upgrade to a better antivirus with additional protection features.
  • Start the computer in Safe Mode and run a System File Check scan to fix the problem.

If you just got a system pop-up from Windows Defender claiming malware has been found and Windows Defender is cleaning it up, but nothing happens, double-check that everything is still secure.

A virus or malware may be causing all of these issues, but it’s also possible that it’s just a compatibility issue between Windows Defender and another third-party antivirus product.

So, before you do anything, check sure Windows Defender is up to date and functioning on your Windows 10 PC.

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What is the best way to get rid of the Malware Detection Alert?

1. Download and install Windows Defender

When you see the Windows Defender took action against threats notice, you should first check its scanning history.

The basic Windows antivirus may have detected malicious files, but it cannot delete them correctly, especially if you receive multiple alerts.

If Windows Defender continues to report threats, locate and manually delete these files. You can also use the Microsoft Safety Scanner to enhance the tool’s capabilities.

2. Perform a full system scan

  1. Open Run by pressing Windows Key + S.
  2. Enter the command msconfig.
  3. Toggle Safe Boot under the Boot tab.
  4. Select Restart after pressing Ok.
  5. Your machine should now boot up in Safe Mode.
  6. Then, holding down the Windows Key + S, type cmd.
  7. As an administrator, open Command Prompt.
  8. Type the following in the command box and hit Enter:
    • SFC /scannow

Alternatively, you can run the system scan in Safe Mode, which disables all third-party apps and processes by default.

As a result, certain viruses won’t be able to obstruct the scanning and removal process, allowing you to disable Windows Defender’s action on threats that take too long to warn.

3. Install antivirus software from a third-party provider

If the history log doesn’t display any infected files, it’s possible that Windows Defender is detecting the same virus in many locations and thus isn’t creating a historical record.

Some malware, however, is too smart for Windows Defender to detect. The software may detect suspicious activity, but it cannot delete it, trapping you in a loop.

If this is the case, you should consider switching to an antivirus program to run a more thorough check and eliminate anything suspicious or dangerous.

In this case, we recommend installing security software that employs advanced artificial intelligence and machine learning to detect threats ranging from spyware and adware to Trojans.

The program is simple to set up, has a straightforward user interface, and is lightweight so that it won’t eat up your system’s resources. Not only that but there’s more. This application can also protect your personal information.

It has proven to be capable of detecting numerous varieties of malware and, if desired, totally cleansing the system.

Windows Defender should be off automatically throughout the installation procedure. If it isn’t, you’ll have to do the following manually:

  1. Enter gpedit.msc using the Win + R keys.
  2. Go to Computer Configuration, then Administrative Templates from there.
  3. Go to Windows Components and Windows Defender after that.
  4. From the main window’s right panel, select Turn off Windows Defender.
  5. Select Enable, which will disable the Windows Defender software by default.
  6. Finally, start the software and do a comprehensive scan.

So, now you know what to do if you see a pop-up warning from Windows Defender saying that malware has been found and that Windows Defender is cleaning it up.


I hope you found this information helpful. Please fill out the form below if you have any questions or comments.

User Questions

1. How long does it take Windows Defender to detect a threat?

The offline scan will then be done by Windows Defender, and infected things will be quarantined automatically. It should take no more than 15-20 minutes to finish the scan.

2. Is Windows Defender capable of removing malware?

Yes. If Windows Defender finds malware on your computer, it will eradicate it. The newest malware will not be recognised because Microsoft does not update Defender’s virus definitions on a regular basis.

3. When it comes to virus removal, how long does Windows Defender take?

It’s possible that the scan will take up to fifteen minutes. If malware is discovered, you’ll be prompted to remove it from the Windows Defender Offline interface. Once the scan is finished, your machine will immediately boot back into Windows if no malware is identified.

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4. Windows Defender tells me “Threats Found. Start the – Reddit

Windows Defender tells me "Threats Found. Start the recommended actions" but there is nothing shown, and clicking "start actions" does nothing. from antivirus

5. Windows Defender states it took action against threats / No

Windows Defender states it took action against threats / No history of virus in the events log from antivirus