How to schedule a scan in windows defender

Windows Defender is an anti-spyware program created by Microsoft and included with the Windows Vista and 7 operating systems. Windows Defender scans your computer and removes any spyware it detects. These scans can be run manually or scheduled to run automatically. In addition, you can decide the thoroughness of the scans.

What Is Spyware?

Spyware is a term used to describe malicious programs that perform certain tasks. These tasks include advertising, collecting personal information and changing the configuration of your computer. Moreover, spyware may slow your computer, decrease your available system memory and change your system configurations. Generally, spyware programs install themselves on your computer and perform these tasks without your consent.

Manual Scan

At any point, you can tell Windows Defender to scan your computer for spyware. This type of scan, referred to as a manual scan, may be necessary if you suspect your computer has become infected with spyware. For example, you may notice an inordinate amount of pop-ups or you may have just visited a suspicious website. To run a manual scan, open Windows Defender, click the “down arrow” next to “Scan” and select “Full Scan” or “Quick Scan.” A full scan scans your entire computer for spyware, whereas a quick scan scans the places on your computer spyware is most likely to infect.

Automatic Scan

You can program Windows Defender to automatically scan your computer. This is beneficial because it keeps you from having to remember to scan your computer periodically. To program automatic scans, open Windows Defender, click “Tools” and “Options.” Under “Automatic Scanning,” check the box next to “Automatically Scan My Computer (Recommended)” and select the frequency, time of day and type of scan you want Windows Defender to run automatically. Note Windows recommends you run a daily “Quick Scan” at minimum.

Real-Time Protection

Windows Defender features a tool called “Real-Time Protection,” which is a form of automatic scanning. This tool involves Windows Defender scanning all incoming data and alerting you when potentially dangerous or unwanted software is attempting to install itself or run on your computer. Thus, while the aforementioned scans are used to remove spyware from your computer, “Real-Time Protection” is designed to prevent spyware from infecting your computer in the first place.

Your built-in Microsoft Defender Antivirus regularly scans your PC to help keep fight the viruses and malware. It also keeps you safe from threats attacking your PC from the internet. It does this when you are not using your Windows PC, it has real-time scanning that protects throughout the usage, when you download a file, when you copy data, install software or programs, or insert a device via USB ports.

While it protects you in real-time, you can manually scan the PC if you think it has virus, trojan or malware inside. You can also schedule Microsoft Defender Antivirus to scan at a time and frequency that you choose. In this guide, we will show you how to schedule a scan in Microsoft Defender Antivirus on your Windows 10 PC.

How to schedule a scan in windows defender

How To Schedule A Scan In Microsoft Defender Antivirus [Windows 10]

  • Hit the search box on your taskbar and type in Task Scheduler to launch the task scheduler app.
  • In the left side pane, expand Task Scheduler Library ->Microsoft >Windows , and then scroll down to select the Windows Defender folder.
  • Now in the top center, double-click the Windows Defender Scheduled Scan to schedule a scan. You can also right-click on it and select Run.
  • In the Windows Defender Scheduled Scan Properties (Local Computer) window, select the Triggers tab, go to the bottom of the window, and then select New .
  • Here, you have the option to specify how often you want scans to run, and when you would like them to start. You can select from One time, Daily, Weekly, or Monthly with a specific date and time.
  • When done, select OK to save the scheduled scan in Microsoft Defender.

How to schedule a scan in windows defender

How to schedule a scan in windows defender

How to schedule a scan in windows defender

How to schedule a scan in windows defender

This way you can schedule a scan for a folder or a file that you think it’s infected. You can also scan the whole PC to see if your PC has any hidden threats. In case you want to disable the Microsoft Defender real-time protection, you can temporarily disable its real-time protection to stop scanning automatically which may increase a little performance while you are gaming or doing a heavy task like video editing. The Microsoft Defender real-time protection locates and stops viruses and malware from installing or running on your device.

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Have you ever witnessed a slower PC even with fewer applications opened? When you open task manager and noticed that “Antimalware Service Executable” is taking up More CPU, RAM and even 90 to 100% of your disk as shown below.How to schedule a scan in windows defender

Don’t worry about it.

We have some solutions to solve this CPU hungry process. But why that process is actually running on my Windows 10 PC?How to schedule a scan in windows defender

Table of Contents

What is Antimalware Service Executable?

Well, it is actually the Windows Defender which is inbuilt antimalware software for Windows 10. It is also known as MsMpEng.exe. The only reason Antimalware Service Executable service running in the background is to scan your Windows 10 PC for any malware and spyware. It just works like every antivirus software. It will provide security but this scan will also take a lot of CPU resources to do the scan which will slow down your PC.

You can even notice when we expand Antimalware Service Executable in the task manager as shown below.

How do I Fix Antimalware Service Executable taking High CPU on Windows 10?

There are 3 ways to solve this issue which will reduce the consumption of resources on your PC.

#1. Change Windows Defender Scheduled Scan

  1. First, open task scheduler by Windows+R and type “taskschd.msc” and hit enter.How to schedule a scan in windows defender
  2. In Task Scheduler, just double-click on Microsoft ->Windows.How to schedule a scan in windows defender
  3. Now, just scroll down and you will notice Windows Defender. just on it, which will open its options.How to schedule a scan in windows defender
  4. Double-click on Windows Defender Scheduled Scan option Shown in Windows Defender tab.
  5. Now, you will be presented with various tabs and options. In General tab, you need to uncheck “Run with highest privileges” option to reduce its priority.How to schedule a scan in windows defender
  6. Next, move to conditions tab and uncheck all the options and hit OK to save changes.How to schedule a scan in windows defender
  7. Restart your PC and you can now see that Antimalware Service Executable windows 10 is using less CPU, Memory and disk usage.

#2. Add MsMpEng.exe to Windows Defender Exclusion List

This is a quite simplest method to disable the high usage of that service but has a lot of steps.

  1. First, open Windows Defender Security Center by searching in Windows Search bar or open settings ->Update & Security ->Windows Defender and click on Open Windows Defender Security Center.
  2. Once opened Windows Defender, Click on Virus & threat protection.How to schedule a scan in windows defender
  3. Now, click on Virus & threat protection settings.How to schedule a scan in windows defender
  4. Next, scroll down until you find Exclusions and click on Add or remove exclusions.How to schedule a scan in windows defender
  5. In exclusions page, click on ‘+‘near to Add an exclusion and select process option from the drop-down.How to schedule a scan in windows defender
  6. You need to enter the name of the process in the text box provided. Just enter “MsMpEng.exe” and click on Add button.How to schedule a scan in windows defender
  7. That’s it, now you have added the Antimalware Service Executable to the exclusion list and it will take fewer resources on your Windows 10 PC. Just restart your computer to notice changes.

#3. Disable Windows Defender (not recommended)

This is the recommended way, as it will completely turn-off antivirus and malware protection for your PC. I don’t recommend to try this option unless you have an alternative antivirus or anti-malware software running on your PC.

  1. First, you need to open Registry editor by pressing Win + R and type “regedit” and hit Enter or click OK.How to schedule a scan in windows defender
  2. Now, once you are in Registry editor, Browse through HKEY_LOCAL_MACHINE ->SOFTWARE ->Policies ->Microsoft ->Windows Defender Antivirus.
  3. In Windows Defender Antivirus, you need to add new value by right-clicking on empty space on the right side and click on New to select DWORD (32-bit) Value.How to schedule a scan in windows defender
  4. Just rename the created key to DisableAntiSpyware.How to schedule a scan in windows defender
  5. Now, double-click on the newly created key and change the value data to 1 from 0 and click on OK.How to schedule a scan in windows defender
  6. Just, restart your computer to see the changes. That’s it, you have permanently disabled Windows Defender and if you want to enable it back then just follow the same steps and change value data to 0.

After you followed any or all of the methods mentioned. You will able to avoid the Antimalware service executable from taking all your PC resources. You can get the similar result as below image after following the above methods.How to schedule a scan in windows defender

Hope, you liked this tutorial. If you have any issues after following these methods the comment down in comments sections. I will try my best to solve your issue.