We all know how critical it is to keep your computer clean from malware and viruses which can severely affect the functioning of various programs. If there is anything vital which your computer has then it’s the DATA and that is absolutely dear to one and all.
Thus there is the growing popularity of using online backup for essential data which you want to preserve over a long time and definitely during disaster which may strike at any point in time. In the process of protecting your computer, the most critical aspect is to get the doctor and that would mean a strong Antivirus or Antimalware which will keep protecting the computer from external programs which can cause damage or try to steal information.
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What is MsMpEng.exe ?
Microsoft Security Essentials (MSE) has worked wonders for users, typically individuals and small businesses which have been securing their computers either a single managed system or a network of systems either managed or unmanaged. It has been observed that the Antimalware function or service of the MSE which is MsMpEng.exe takes up high CPU usage and lowers the responsive time and the basic operation of the computer. Various trial and errors have been carried out by tech geeks to understand the logic behind such occurrence but it has all been in vain. People have tried uninstalling incompatible programs which has solved the problem, cleaning an infected file or virus has solved the problem, re-installing MSE has solved the problem as well.
So, there isn’t a definite full proof logic behind the high CPU usage while MsMpEng exe antimalware service executable runs but there are few tried and tested solutions which can help resolve the High CPU Usage Problem.
Note: Before proceeding forward to know what is msmpeng exe, please ensure that:
[a] You have not installed another antivirus program on your computer
[b] Uninstall MSE (Microsoft Security Essentials) immediately if you are running Windows XP OS on your computer as MSE is no longer supported by Win XP.
How to fix MsMpEng.exe High CPU Usage problem
There are essentially 5 solutions to ensure the high CPU usage issue because of MsMpEng.exe is resolved:
Method 1: Run a Check for Malware on your Computer
Step 1: Boot up your computer in Safe Mode with Networking
In order to proceed with Malware check on your computer it’s vital to have your computer booted up in Safe Mode and with Network Support.
Typically Win 7, Vista & XP users need to:
[i] Save all existing work, close all programs and reboot the computer.
[ii] Keep pressing F8 continuously so it enters the boot option menu before the appearance of the Windows load up screen.
[iii] Select the Advanced Options Menu and then select (up-down keys and cursor movement) Safe Mode with Networking and press enter key.
For Windows 8 & 8.1 users:
[i] Press the Windows key + R simultaneously to pop up the search or run dialog box where you need to enter ‘msconfig’, right click on the option and run as administrator.
[ii] In the System Configuration pop up window, select the Boot tab and select Safe Boot and Network as separate entities next to a check box.
[iii] Click OK to proceed.
Step 2: Terminating Malicious and Harmful Programs with RogueKiller
One needs to download the RougueKiller program from the Internet and run the application. Make sure you download the proper version based on x86 and x64 OS architecture for 32-bit and 64-bit systems respectively. The easiest way to find your OS (Operating System) version is to right click on the “My Computer” icon on your desktop and go to ‘Properties’, you will be able to find the version there.
Now you need to double click to run the RougueKiller application.
On launching the application, it’ll PreScan your Computer. Once done, click on ‘Scan’ to perform a complete scan of your computer.
The scan might result in certain Malwares or infected files or possible threats, click on the ‘Delete’ button to remove the infections completely from your computer.
Step 3: Removing unwanted Adware programs using AdwCleaner
Navigate to the website and download AdwCleaner to your computer. It may have saved to the ‘Downloads’, so execute the file and install the program.
Close all open programs and tasks. Now, double click to run the AdwCleaner utility.
Once that opens up, you can simply hit the ‘Scan’ button and let it list out all the unwanted Adware programs which has been clogging your computer.
When the scan is complete, it might list the various Adware programs, simply click ‘Delete’ to remove all.
You might get a Popup stating AdwCleaner-Informations, all you need to do is click ‘OK’.
RESTART your Computer.
Step 4: Clean up those Malwares with the Trustworthy MalwareBytes™
Download and run the Anti-Malware application of Malwarebytes and click on ‘Start my Free 14 Day Trial’. You may opt for the premium version trial as well which pops up on the last screen of the installation segment.
Hit the scan button to run and clean the very effective modules of Malwarebytes thus helping your system be absolutely clean of Adware and Malwares.
You may choose to update the virus definition and program of the Malwarebytes to download the current data on your computer for effective results of any new threats that may have got in.
Post completion of the update, click on Scan button to let Malwarebytes do its job of locating malicious items which resides in the deepest sectors of your computer drive.
Once the scan is complete, you need to hit the button which says “Quarantine all” to carefully remove all the unwanted threats, infected files and possibly malicious threats causing damage to your computer and data. When the
Malwarebytes completes its task, you can go ahead and Restart your system.
Please check, if the MsMpEng.exe high Disk Usage is eliminated, otherwise continue with the next solution(s).
Fix High Disk Usage problem by Reinstalling MSE
Method 2: Uninstalling and then Re-Installing Microsoft Security Essentials (MSE)
Step 1: Uninstalling the MSE from your installed program list
Vista and Win 7 Users need to hit the Windows icon and go to ‘Control Panel’. Win XP users can click on Start or the Windows icon, navigate to ‘Settings’ and then click on ‘Control Panel’. Win 8 and 8.1 users can hit the keys Windows + ‘R’ simultaneously to open a dialog box. In that you simply type in ‘Control Panel’ and that should pop up the service location, click on that.
Navigate to Add/Remove Programs in case you are a Win XP user, for Vista, Win 7/8/8.1, you need to click on ‘Programs and Features’. In the program list you will find Microsoft Security Essentials (MSE) and that you need to click and then ‘uninstall’. The process will take its time and then a popup will indicate that the program has been uninstalled.
In case you are facing difficulties in removing the MSE then you can simply download the MSE removal tool or utility and that should clean sweep the uninstall process and have MSE removed from your computer. It is also observed that an msmpeng high disk window 10 is occurring as well.
After the removal process is executed successfully, please RESTART your computer.
Step 2: Go ahead and Re-Install the Microsoft Security Essentials (MSE)
You need to visit the Microsoft Security Essentials official site to download the file and install it. Once done, you can check if there is any improvement with the MsMpEng high CPU Usage. If the problem persists, please go to the next solution(s).
Steps to Fix msmpeng.exe memory usage
Method 3: Simply exclude the MsMpEng.exe utility or application while scanning
Click to open the Microsoft Security Essentials primary application and then navigate to Settings.
Now click on the side menu bar which has the option ‘Exclude files and locations’.
Then click on the ‘Browse’ option
Now you need to navigate to the proper location in your C drive:
Win Vista/7/XP: C:\Program Files\Microsoft Security Client\MsMpEng.exe
Win 8/8.1: C:\Program Files\Windows Defender\MsMpEng.exe
Once you have located the MsMpEng.exe application, select it and click on Add.
Then you need to click on Save Settings.
Finally, RESTART your system and check if the problem is resolved. If not, proceed forward.
Method 4: You may choose to reschedule MSE scan time or simply disable the Real-time protection
A very promising and effective feature of the MSE is the automatic scanning which eliminates any risk of viruses on specific days and hours.
Open up the Microsoft Security Essentials Application and click on Settings.
Now click on Schedule Scan on the left pane.
You need to set a different data and time for the scheduled scan and then click on Save Changes. This will also disable msmpeng which could be the primary reason for the high CPU usage.
Close the MSE application and check if the problem related to MsMpEng.exe High CPU Usage is resolved, if not then temporarily disable the MSE real time protection to see if that help to resolve the problem. If the problem still persists then proceed with the next solution.
Step 2: Disable Microsoft Security Essentials Real-time protection.
Open up the Microsoft Security Essentials application and click on Settings
Click on the real time protection on the left side menu
Now you need to deselect the check box next to ‘Turn on real time protection’ as a recommended setting, uncheck that box.
Close the MSE application and see if the MsMpEng.exe high CPU usage problem is resolved. If it still persists then you need to disable the MSE application launch at startup.
Step 3: Checking Startup programs and to disable the MSE application from launching
In order to disable the MSE application on Windows launch, you need to hold down the Windows key and press R, to open up a run dialog box.
In that type in ‘msconfig’ and hit enter. When the MSCONFIG popup window comes up, go to the tab which says ‘Startup’. You need to deselect or uncheck the box next to Microsoft Security Client which is for the MSE application.
Once done, please click on OK.
A popup window asks for your permission to either ‘restart’ or ‘exit without restarting’. Click RESTART.
Once the system restarts, check if the MsMpEng.exe high memory or CPU Usage problem is resolved or not. If the problem persists then uninstall the Microsoft Security Essentials from the computer and go to the next solution.
Fix msmpeng.exe high disk usage windows 10
Method 5: You need to install another Antivirus Program
It is understood that Microsoft Security Essentials (MSE) is causing high CPU Usage and it’s better to opt for an alternate antivirus to protect your computer. In order to do so you must take proper measure to ensure that MSE is completely removed from your computer so you can proceed to install an alternate Antivirus for protection against external threats.
Step 1: Completely uninstall Microsoft Security Essentials (MSE). In order to do so, you need to click on Windows + R and then type in Control Panel in the run dialog box. Once you are in the control panel, then navigate to programs and features and then you can select the MSE application and hit on uninstall.
If there appears to be a problem while uninstalling, then download an MSE removal tool or utility to have the application completely removed.
Step 2: Now that Microsoft Security Essentials (MSE) is completely removed, you may go ahead and install another antivirus which could be Avira’s, Avast, AVG, Quick Heal (though Quick Heal may take up resources and CPU as well) and few others available in the market that can be helpful for your computer.
It’s vital that your computer is protected against external programs and malicious infections or threats that could come in while surfing the internet or accessing your email, may be downloading files from the internet or the attachments in your email, could be simple file transfer using external drives or magnetic tapes or flash drives. The transmission of viruses and worms are unpredictable and thus an advanced antivirus and its protection can not only heal the infected files but its updated virus definitions can keep blocking the unwanted threats that can steal valuable data from your computer and can definitely cause potential damage to your computer.
The security of your computer and data is in your hands and it’s imperative that you consider investing in a fine antivirus and antimalware solution to help you against the rising threats of the Internet.