MsMpEng.exe is a process that belongs to Windows Defender, which is a built-in antivirus program in Windows operating systems. It is responsible for scanning and protecting your computer from malware and other security threats. However, sometimes this process can utilize a high amount of memory, causing your computer to slow down or even freeze.
Here are some possible reasons why MsMpEng.exe is utilizing high amounts of memory:
– Windows Defender is performing a full system scan: When Windows Defender is performing a full system scan, it can utilize a high amount of memory. This is because it is scanning every file and folder on your computer for any potential threats.
– Windows Defender is updating its virus definitions: When Windows Defender is updating its virus definitions, it can also utilize a high amount of memory. This is because it is downloading and installing new virus definitions to keep your computer protected.
– Your computer is infected with malware: In some cases, malware can disguise itself as MsMpEng.exe and utilize a high amount of memory. This can cause your computer to slow down or even crash.
If you are experiencing high memory usage by MsMpEng.exe, here are some steps you can take to fix the problem:
– Check if Windows Defender is performing a full system scan: Open Windows Security by clicking on the shield icon in the taskbar. Click on “Virus & threat protection” and then “Scan options”. If a full scan is in progress, wait for it to complete. If not, proceed to the next step.
– Check if Windows Defender is updating its virus definitions: Open Windows Security and click on “Virus & threat protection”. If there is an update in progress, wait for it to complete. If not, proceed to the next step.
– Run a malware scan: Download and run a reputable malware scanner, such as Malwarebytes, to check if your computer is infected with malware. If malware is detected, follow the instructions to remove it.
– Exclude certain files or folders from Windows Defender scanning: If you have certain files or folders that you know are safe, you can exclude them from Windows Defender scanning. Open Windows Security and click on “Virus & threat protection”. Click on “Manage settings” under “Virus & threat protection settings”. Scroll down to “Exclusions” and click on “Add or remove exclusions”. Add the files or folders you want to exclude.
– Disable Windows Defender: If none of the above steps work, you can try disabling Windows Defender temporarilyConclusionMsMpEng.exe utilizing high amounts of memory can be a frustrating issue, but there are several steps you can take to fix it. By checking if Windows Defender is performing a full system scan or updating its virus definitions, running a malware scan, excluding certain files or folders from scanning, or disabling Windows Defender temporarily, you can reduce the memory usage and improve the performance of your computer. If you continue to experience issues, consider seeking further assistance from a professional.