If you have setup web server using Xampp, or, compressing large amount of files using WinRAR, may have noticed that disabling Windows Deference speeds up the web server's response time or reduces compressing time. I frequently need to disable Windows Deference temporarily in my PC powered by Windows 10 Professional. Among the ways I found from the Internet, I have written about two ways which are most easy and anyone can do it quickly. Windows Defender starts automatically with Windows, monitors my PC and provides real-time protection against malicious virus and malware.

Step 1 is the easiest and I used Window's native graphical user interface to disable Windows Defender.

Step 2 uses Windows PowerShell, a text command-based terminal to automate tasks in Windows OS.

Let's jump up and dive into it.

 

Method 1

a) Press Windows Key and release, type "defender". You will see "Windows Defender" entry in the search result. Right-click on it and click "Run as administrator". Click on "Yes" when you are prompted to choose whether you want to run this app in elevated privilege. Windows Defender app will appear on Desktop.

b) Click on the "Setting" button and you will see Windows Defender's settings form. Under "Real-time protection" section, there is a "On/Off" toggle switch. Click on it to switch of Off state. Close Setting form by clicking on the cross button (X).

c) Now if you switch back to Windows Defender app you will see a red-colored band on the top of the app shouting "PC status: At risk". Thus, Windows Deference is turned off.

 

Method 2

a) Open up Windows PowerShell in administrator mode. To do it, just press and release Windows Key and start typing "PowerShell". Windows PowerShell will show up in the search result. Right-click on it and choose "Run as administrator". Press "Yes"

Open Windows PowerShell in administrator mode

b) Execute the following command in PowerShell terminal:

Set-MpPreference -DisableRealtimeMonitoring $true

PowerShell command for disabling Windows Defender

c) An usual notification will appear warning me with a message below:

c) you will notice that Defender is now no longer monitoring in real-time.



d) To enable real-time monitoring in Windows Defender again, set the DisableRealTimeMonitoring back to false in PowerShell terminal.

Set-MpPreference -DisableRealtimeMonitoring $false



Defender is very happy now taking green color on it's app window and will be providing real-time protection again.

 

How to disable Windows Defender permanently using Local Group Policy

Are you tired of disabling Windows Deference everyday? Here is a process to disable it permanently in Windows 10 OS (Enterprise or Education versions) using Local Group Policy.

  1. Open Run command using the Windows key + R keyboard shortcut.
  2. Type gpedit.msc and click OK to open the "Local Group Policy Editor".
  3. From the left side panel under "Local Computer Policy", expand the collapsible nodes and browse to the "Windows Defender" path:
Computer Configuration > Administrative Templates > Windows Components > Windows Defender
  1. On the right, double-click "Turn off Windows Defender".

How to disable Windows Deference permanent using Group Policy Editor

  1. Select "Enabled" to disable Windows Defender.
  2. Click Apply.
  3. Click OK.

How to disable Windows Defender permanently using Group Policy Editor

Completing the above steps, Windows Defender will stop running, but Windows System Tray icon for Windows Defender will be showing like it is still be running. In this case, you simply restart your personal computer.

Once you complete the above steps, you will notice the Windows Defender shield icon will continue to run in the system tray. To get rid of the icon, simply restart your computer.

When you wish to re-enable Windows Defender, open Group Policy Editor using "Run" command and take yourself to step 5 of the steps described above, select the "Not configured" option, click "Apply" and then "OK". Wait a few moment and then restart your computer. This will re-enable Windows Defender again.

 

Important information about disabling Windows Defender on Microsoft Windows operating system

Windows Defender is the No. 1 antivirus on Windows 10, protecting more computers against viruses, malware, spyware, and other threats than any other solution. Windows Defender comes bundled with Windows 10. So, you do not need to purchase seperate virus and malware protection system. There is nothing to install, or, no hassle to configuring it, no subscription needed and no nagware. It provides you the following benefits:

  • Virus protection and removal
  • Malware protection and removal
  • Spyware detection and removal
  • Boot-time protection
  • Real-time protection
  • Cloud-based protection
  • Network inspection
  • FREE automatic updates

 

Windows Defender helps you protect your PC in two ways:

  1. Real-time protection system notifies you when any sort of threat tries to intrude in your system, or, whenever any app tries to change important setting of your PC.
  2. On-demand scanning options. You can initiate a scanning on any part of your PC, USB device. Windows Defender will automatically detects any threat, removes them, or, in some instances, sends any threat to quarantine state.

Turning off Windows Defender's real-time protection is a temporary measure (in case you do not forcibly disable it permanently), it will automatically turn real-time protection back on depending of Microsoft own algorithm, or, on next system reboot.

For more information about Microsoft Windows Defender, browse Microsoft's official page.

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