how to activate windows virus protection

Turn on Windows Defender Antivirus

1. Select the Start menu.
2. In the search bar, type group policy. Then select Edit group policy from the listed results. The Local Group Policy...
3. Select Computer Configuration > Administrative Templates > Windows Components > Windows Defender Antivirus.
4. Scroll to the bottom of the list and select Turn off Windows Defender Antivirus.
5. Select Apply > OK.

Full Answer

How do I Turn on/off virus protection on Windows 10?

Jun 10, 2020 · 1. Open the run box Windows key + R 2. When the run box opens type “cmd” 3. Right click on the command prompt and select run as administrator. 4. Copy, paste, and enter this command: REG DELETE "HKLM\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware 5. Once done restart your pc and try to turn on the Windows Defender again.

How to use a virus&threat protection in Windows Security?

Jul 26, 2021 · How to Turn on or Turn off Virus & Threat Protection in Windows 11? 1. Select Virus & threat protection and click the Manage settings link under Virus & threat protection settings. 2. There are many virus & threat protection settings for Microsoft Defender Antivirus. You can see Real-time ...

How do I Turn Off real-time antivirus protection?

You can turn these notifications on, or off, on the notifications page. In Virus & threat protection, under Virus & threat protection settings, select Manage settings, scroll down to Notifications and select Change notification settings. See Windows Security notifications. Protect your device with the latest updates

How do I enable Windows Security on my computer?

Run a quick scan in Windows Security Select Start > Settings > Update & Security > Windows Security and then Virus & threat protection. Open Windows Security... Under Current threats, select Quick scan (or in early versions of Windows 10, under Threat history, select Scan now ).

How do I turn on Windows Defender in win 10?

To turn on Windows Defender:Navigate to Control Panel and then double click on "Windows Defender".In the resulting Windows Defender information window the user is informed that Defender is turned off. Click on the link entitled: Turn on and open Windows Defender.Close all windows and restart the computer.

Can't enable Windows Defender antivirus Windows 10?

Cannot or Unable to turn on Windows Defender on Windows 11/10Check if you have another security software installed.Check the date or time on your PC.Run Windows Update.Check Internet Zone settings.Check Group Policy setting.Check Registry setting.Check the status of Service.Scan PC with portable antivirus software.More items...•Feb 2, 2021

Why my Windows Defender is not working?

If Windows Defender is not working, that's usually caused by the fact that it detects another antimalware software. Make sure you uninstall the third-party security solution completely, with a dedicated program. Try checking the system file by using some built-in, command-line tools from your OS.May 6, 2021

How do I know if Windows Defender is on?

Option 1: In your System tray click on the ^ to expand the running programs. If you see the shield your Windows Defender is running and active.

How to Enable or Disable Microsoft Defender in Windows 11?

If you want to turn on or turn off Microsoft Defender in Windows 11, you can follow this guide:

Bottom Line

This post shows you how to enable or disable Microsoft Defender in Windows 11. Hope it can solve your issue. Should you have any other issues, you can let us know in the comments.

What is Windows 10 Security Center?

In previous versions of Windows 10, Windows Security is called Windows Defender Security Center. Virus & threat protection in Windows Security helps you scan for threats on your device. You can also run different types of scans, see the results of your previous virus and threat scans, and get the latest protection offered by Microsoft Defender ...

What is Microsoft Defender offline scan?

Scans only files and folders that you select. Microsoft Defender Offline scan. Uses the latest definitions to scan your device for the latest threats. Run it when you are concerned that your device has been exposed to malware or a virus, or if you want to scan your device without being connected to the Internet.

What is security intelligence?

Security intelligence (sometimes referred to as "definitions") are files that contain information about the latest threats that could infect your device. Windows Security uses security intelligence every time a scan is run.

Can you turn off Tamper Protection on Microsoft Defender?

With Tamper Protection turned on, important settings like real -time protection, can't be easily or accidentally turned off.

Can you exclude files from scanning?

There may be times when you’ll want to exclude specific files, folders, file types, or processes from being scanned, such as if these are trusted items and you are certain you don’t need to take time to scan them. In those rare instances you can add an exclusion for them.

Can you send a suspicious file to Microsoft?

If you’re connected to the cloud with cloud-delivered protection, you can send suspicious sample files to Microsoft to check them for potential threats. Microsoft will notify you if you need to send additional files—and alert you if a requested file contains personal information.

Why is Windows Security updated?

In addition to this real-time protection, updates are downloaded automatically to help keep your device safe and protect it from threats.

Why is Windows 10 in S mode?

Some features will be a little different if you're running Windows 10 in S mode. Because this mode is streamlined for tighter security, the Virus & threat protection area has fewer options. But don't worry—the built-in security of this mode automatically prevents viruses and other threats from running on your device, and you'll receive security updates automatically. For more info, see Windows 10 in S mode FAQ.

How to Turn On Microsoft Defender Antivirus in Windows 10

There are indeed situations where you might have to turn off Microsoft Defender, such as when you are looking to optimize your computer's performance or maybe install a third-party antivirus suite.

Turning On Microsoft Defender Antivirus

Microsoft Defender is a free tool that offers solid protection from online security threats. It took a bashing for several years, with many security researchers advising Windows 10 users to download alternative tools.

How to enable Windows Defender?

* Attention: Uninstall any other third party antivirus before you continue below. 1a. Windows 7: Start > Control Panel. 1b. Windows 8: Right click on the bottom left corner and select Control Panel } .

What is Windows Defender Antivirus?

In Windows 10, 8, 8.1 operating systems, Microsoft updated its security protection with the Windows Defender Antivirus program. The Windows Defender (previously known as Microsoft Security Essentials) offers more protection to your Windows system from viruses, Trojans, worms and other malicious programs that can harm your computer.

How to fix Windows 7 that won't start?

1. In Windows 7, Vista OS you have to press the “ Turn on now ” button beside “ Virus Protection ” options. 2. In Windows 10 OS press the Turn on now button next to Spyware and unwanted software protection. 3. If after pressing the "Turn ON" button nothing happens, then follow the instructions on this guide: How to fix: Cannot Start Windows ...

Is Windows Defender disabled?

When you buy a Windows 8 computer today, Microsoft Windows Defender is already bundled inside the new operating system, but for the reason that some OEM manufacturers prefer to install trial versions of antivirus protection programs from other manufacturers like Norton, McAffee, etc. the Windows Defender is disabled.