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6 Solutions To Fix ‘Antimalware Service Executable’ High CPU Usage

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A Quick Guide to fix Antimalware Service Executable High CPU Usage. Discussed all possible solutions to stop Antimalware Service Executable processes.

1. Introduction

In this tutorial, we'll learn how to fix high cpu usage caused by antimalware service executable and also we put together a few simple steps you can follow to prevent Antimalware Service Executable from hogging your system’s resources and keep your machine running smoothly without malware.

The Antimalware Service Executable process plays an important role in the Windows Defender Service that comes bundled with Windows 10. However, it’s also infamous for consuming far more than its fair share of CPU processing power, and can even single handed to reduce your computer’s speed to a glacial crawl.

What is Antimalware Service Executable? Why is it consuming high CPU/Memory?



How to fix ‘Antimalware Service Executable’ high CPU usage | 5 Best Ways Explained


If you’re a Windows Defender user and have noticed high CPU usage for abnormally long periods of time, you’ll be pleased to know that the issue can easily be resolved.

2. msmpeng.exe

What is the msmpeng.exe Antimalware Service Executable?

Do you use Windows Defender to protect your computer? If so, open up the Windows Task Manager (Ctrl + Shift + Esc or Start Menu > Task Manager), scroll through the list of background processes and you will find a process called Antimalware Service Executable and its corresponding file msmpeng.exe.

This process allows Windows Defender to continuously monitor your computer for potential threats and provide real-time protection against malware and cyber attacks. At the same time, however, it can also be the cause of disproportionately high CPU usage.


Another Windows Defender feature that may be responsible for slowing down your system is its Full Scan, which performs a comprehensive check of all files on your computer. Full Scan relies heavily on the CPU and is not afraid to use whatever resources your system has available; as a result, you may experience lag, delays, hanging and other system disruptions when it is running.


While it is normal for antivirus programs to consume system resources when running a scan, Windows Defender is far greedier than most. It is known to use excessive CPU for longer periods of time and carry out scans right when you’re waking up the computer to quickly send an email or check a website.


Although this can be frustrating, it’s important that you don’t disable Windows Defender without first installing another IT security solution – after all, it may be the only thing that stands between your computer and the bad guys! Let the program do its job, resolve any threats and then follow these steps to prevent the issue from happening again.

3. Fix #1: Change Windows Defender’s scheduling options

For most people, the high memory usage caused by Antimalware Service Executable typically happens when Windows Defender is running a full scan. We can remedy this by scheduling the scans to take place at a time when you’re less likely to feel the drain on your CPU.


tasks_scheduler


Steps:

1. Open the Start menu, type “task scheduler” and click the top result to launch the program.
2. In the navigation pane on the left, double click Task Scheduler Library. Continue to expand these folders and navigate to the following destination: Library/Microsoft/Windows/Windows Defender.




Task Scheduler Library


3. When you have opened the Windows Defender folder, double click Windows Defender Scheduled Scan, located in the middle pane.

4. Click the Conditions tab, uncheck all options and click OK. This will clear your scheduled scans.
5. To protect your computer, it is important to schedule some new scans, but we can do this in a way that will reduce the impact on your system’s performance. To do so, double click Windows Defender Scheduled Scan, select the Triggers tab and click New.
6. Create a new scan schedule that suits your needs, selecting options that strike the balance between protection and system efficiency. As a guideline, we recommend (at minimum) weekly scans at a time when you’ll be unlikely to notice the increased CPU usage.
7. Repeat the process for the three remaining services (Windows Defender Cache Maintenance, Windows Defender Cleanup, Windows Defender Verification) found in the Library/Microsoft/Windows/Windows Defender folder.

Windows Defender is a valuable tool, particularly since it comes free with your operating system, but it can certainly put a drain on your system’s CPU. By following the steps described in this article, you’ll be able to take control of Antimalware Service Executable and keep your computer running at full speed.

4. Fix #2: Add Antimalware Service Executable to Windows Defender’s exclusion list

During its scans, Windows Defender checks every single file on your computer – including itself. This can occasionally result in some interesting interactions and is a common source of system lag. To prevent this from happening, you can simply instruct Windows Defender to skip itself when performing a system scan.


Windows Defender Security Center


Steps:

1. Press Ctrl + Shift + Esc to open Windows Task Manager.
2. In the list of processes, search for Antimalware Service Executable. Right click on the process and select Open File Location.
3. In the address bar, you’ll see the full path of Antimalware Service Executable. Click on the address bar and copy the full path.
4. Open the Start menu, type “windows defender” and click the top result to launch the Windows Defender Security Center.
5. Click on Virus & threat protection, then on Virus & threat protection settings.
6. Scroll down until “Exclusions” and click Add or remove exclusions. In the next screen, click on Add an exclusion, select Folder and paste the path to Antimalware Service Executable (MsMpEng.exe) in the address bar. Finally click Open and the folder will now be excluded from the scan.

5. Fix #3: Disable Windows Defender

If the problem persists after applying the first two fixes, you might be tempted to resort to disabling Windows Defender altogether. Keep in mind that doing so leaves you vulnerable to a range of cyberattacks, so it’s critical that you install an effective anti-malware product on your computer before removing Windows Defender.


Image result for Disable Windows Defender


Steps:

1. Press Windows Key + R to open the Run Dialog Box.
2. In the Run Dialog Box, type regedit and click OK to open the Registry Editor.
3. In the navigation pane on the left, double click the folders to navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender.
4. a. If you find a registry entry named DisableAntiSpyware, double click it and set its value data to 1.
   b. If you do not see a registry entry named DisableAntiSpyware, right click in the main Registry Editor pane and select New > DWORD (32 bit) Value.
   c. Name this new registry entry DisableAntiSpyware. Double click it and set its value data to 1.

6. Fix 4:Repair Corrupt Defender Files

Download and run Reimage Plus to scan and repair corrupt/missing files, if files are found to be corrupt and missing repair them and then see if the CPU usage is still high, if YES then move to Fix 1.

7. Fix #5: Check for malware infections

It’s possible that something more malevolent is causing Windows Defender to disrupt your computer’s performance. Run a full system scan using a reputable and lightweight anti-malware solution such as Emsisoft Anti-Malware (we have a 30-day free trial available) to check your computer for any malware that may be affecting your computer’s ability to run smoothly and safely.

8. Fix #6: Scan For Malware

There is a likelihood a malware has infected the MsMpEng.exe process. Try scanning with an anti-malware application like MalwareBytes and AdwCleaner to scan for and delete any malware which could be present on your PC.

9. Conclusion

In this tutorial, We've discussed what is "Antimalware Service Executable" and why it causes to consume high cpu usage.

Further in this article, we have seen 6 ways to fix Antimalware Service Executable.

I hope, You'll have an awesome malware-free day from now.

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JavaProgramTo.com: 6 Solutions To Fix ‘Antimalware Service Executable’ High CPU Usage
6 Solutions To Fix ‘Antimalware Service Executable’ High CPU Usage
A Quick Guide to fix Antimalware Service Executable High CPU Usage. Discussed all possible solutions to stop Antimalware Service Executable processes.
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