16-04-2021

Download Disable Definition Update For Windows Defender



Installation instructions for Windows Defender Definition Updates: Step 1: Save or run the file After you click this link, click Run to install the definition file immediately or click Save to save it to your computer. If you click Save, remember the name of the folder where you save the file.

  1. Download Disable Definition Update For Windows Defender Kb2267602
  2. Download Disable Definition Update For Windows Defender Antivirus
  3. Download Disable Definition Update For Windows Defender Antivirus Antimalware Platform Kb4052623
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  1. Everyone should have some sort of antivirus software on their computer. What not everyone knows, is that Windows 10 actually has a pretty good antivirus product built-in. Windows Defender is free and pre-installed on all versions of Windows 10 and receives regular updates through the Windows Update service.
  2. Windows Defender Definition Updates January 15, 2021 download page. Download setup.exe free. Windows Defender Definition Updates Size: 125Mb.
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© Provided by Windows Central

If the Microsoft Defender Antivirus isn't for you, use this guide to disable it permanently on Windows 10.

On Windows 10, the Microsoft Defender Antivirus is a built-in anti-malware solution designed to protect your computer and data from unwanted viruses, ransomware, spyware, rootkits, and many other forms of malware and even hackers. Although it's one of the best antivirus software options for most users, there could be situations where you may want to disable the feature permanently (or temporarily).

For example, when you're not confident about the solution. You have to complete a specific task that conflicts with the antivirus. You're setting up a kiosk computer that won't connect to the network, and security isn't a concern. Or you need to comply with your organization's policies on certain devices.

Whatever the reason it might be, Windows 10 doesn't include an option to uninstall or disable the Microsoft Defender Antivirus 'permanently' unless you install a third-party solution, in which case it'll disable automatically. However, it's possible to disable Microsoft Defender using Group Policy or temporarily with the Windows Security app.

In this Windows 10 guide, we'll walk you through the steps to disable Microsoft Defender Antivirus permanently (or temporarily) on your device.

  • How to disable Microsoft Defender Antivirus using Windows Security
  • How to disable Microsoft Defender Antivirus using Group Policy
  • How to disable Microsoft Defender Antivirus using Registry

How to disable Microsoft Defender Antivirus using Windows Security

If you want to disable the built-in security solution to complete a specific task, such as installing an application, you don't have to disable Microsoft Defender Antivirus permanently. You only need to turn it off temporarily.

To disable the Windows 10 antivirus temporarily, use these steps:

  1. Open Start.
  2. Search for Windows Security and click the top result to open the app.
  3. Click on Virus & threat protection.

  4. Under the 'Virus & threat protection settings' section, click the Manage settings option.

    © Provided by Windows Central

  5. Turn off the Real-time protection toggle switch to disable Microsoft Defender temporarily.

    © Provided by Windows Central

Once you complete the steps, the antivirus will disable the real-time protection, allowing you to install apps or make a specific system change that you weren't able to before because the security feature was blocking the action.

You can always enable the real-time protection again by restarting the device, or using the same instructions outlined above, but on step No. 5, make sure to turn on the Real-time protection toggle switch.

Although this isn't a permanent solution, it's the best option to disable the Windows 10 antivirus to perform a specific task.

How to disable Microsoft Defender Antivirus using Group Policy

On Windows 10 Pro, you can configure a policy using the Local Group Policy Editor to disable Microsoft Defender Antivirus permanently. However, you have to disable the system's 'Tamper Protection' feature before the policy can take effect.

Download Disable Definition Update For Windows Defender Kb2267602

Tamper protection is a feature available since the Windows 10 May 2019 Update, and it's been designed to protect the Windows Security app against unauthorized changes that are not made directly through the experience. So, since you'll be using the Group Policy, if you don't disable this security, the antivirus will restart again in the next reboot automatically.

Disable Tamper Protection

Download Disable Definition Update For Windows Defender

To disable Tamper Protection on Windows 10, use these steps:

  1. Open Start.
  2. Search for Windows Security and click the top result to open the app.
  3. Click on Virus & threat protection.

  4. Under the 'Virus & threat protection settings' section, click the Manage settings option.

    © Provided by Windows Central

  5. Turn off the Tamper Protection toggle switch.

    © Provided by Windows Central

After you complete the steps, you can continue with the instructions to permanently disable Microsoft Defender Antivirus using Group Policy.

Disable Microsoft Defender Antivirus

To disable Microsoft Defender Antivirus permanently, use these steps:

  1. Open Start.
  2. Search for gpedit.msc and click the top result to open the Local Group Policy Editor.

  3. Browse the following path:

    Computer Configuration > Administrative Templates > Windows Components > Microsoft Defender Antivirus

  4. Double-click the Turn off Microsoft Defender Antivirus policy.

    © Provided by Windows Central

  5. Select the Enabled option to disable Microsoft Defender Antivirus.

    © Provided by Windows Central
  6. Click the Apply button.
  7. Click the OK button.
  8. Restart your device.

Once you complete the steps, the antivirus will disable permanently. You'll also notice that the 'shield' icon will remain in the taskbar, but this is one expected behavior since the icon is part of the Windows Security app, not from the antivirus.

Download Disable Definition Update For Windows Defender Antivirus

If you need to revert to the original settings, you can always re-enable the Microsoft Defender Antivirus using the same instructions above, but on step No. 5, make sure to select the Not Configured option, and restart your computer to apply the changes. Also, don't forget to re-enable the 'Tamper Protection' feature using the same above steps, but on step No. 5, make sure to enable the toggle switch.

Download Disable Definition Update For Windows Defender Antivirus Antimalware Platform Kb4052623

How to disable Microsoft Defender Antivirus using Registry

What happened to the option to disable the antivirus with the Registry? In the past, users who didn't want to use the default antivirus were able to disable the feature by modifying the HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows DefenderDisableAntiSpyware registry key, but now the company is removing the option making it harder for users to turn off the antivirus.

According to the Microsoft Hardware Dev Center documentation website (via Reddit), the 'DisableAntiSpyware' option was only implemented to allow manufacturers and network administrators to deploy other security solutions during setup. Since the Microsoft Defender Antivirus can now disable itself automatically when adding a third-party solution, starting with the engine version 4.18.2007.8, Windows 10 no longer includes the registry key to disable the anti-malware feature on Windows 10 Pro and Home.

Microsoft also says that this change only affects releases before the Windows 10 May 2019 Update, this means October 2018 Update, April 2018 Update, and older versions.

If you want to disable the Microsoft Defender Antivirus feature, you now have two choices. You can temporarily disable the real-time protection, or you may still be able to permanently disable it using the Group Policy Editor on Windows 10 Pro or Enterprise with the instructions outlined above.

Although you can use multiple methods to disable the Windows 10 antivirus, we don't recommend using a computer without anti-malware software. However, there might be situations when disabling the security feature could make sense. Also, remember that if you're installing a third-party anti-malware, you don't need to disable the Microsoft Defender Antivirus, since it'll disable automatically during the installation process.

If you're looking for an alternative to the Microsoft Defender Antivirus, you should consider these options:

More Windows 10 resources

For more helpful articles, coverage, and answers to common questions about Windows 10, visit the following resources: