Nov 27, 2024 · Add Antimalware Service Executable to Windows Defender's Exclusion List: Open Windows Security settings. Go to Virus & Threat Protection settings. Exclusions, add or …

Dec 13, 2022 · In Background processes (Task Manger), most of time, I see memory usages by Antimalware Service Executable (Microsoft Defender Antivirus Service) is between 120 MB …

Sep 2, 2021 · Hello, @kumar kaushal , It is quite normal for the Antimalware Service Executable to utilize high CPU usage. But as a background task, the Service is not supposed to utilize fore …

Mar 21, 2025 · We understand that you have encountered the problem that the CPU of MsMpEng.exe is too high, which is usually caused by the conflict between the real-time …

Jan 22, 2025 · My system is not allowing me to set CPU Usage or an Affinity Limit for Windows Defender (msmpeng.exe). It is using all my PC resources for almost an hour every time the …

Jan 19, 2021 · I updated my windows 10 a couple days ago and ever since, the Antimalware Service Executable task in the task manager is using up to 50-70% of my memory space. It …

Mar 28, 2018 · Just did update yesterday 2018-03 updates and suddenly antimalware service executable takes all my disk, memory and CPU too high up to 100% every minute until now …

Dec 20, 2017 · Hello, it seems that the recent update for windows 10 Pro (1709) has increased the memory usage of the antimalware service executable. Atleast that's when i started to …

Jul 22, 2025 · High CPU (20–40%) and RAM (up to 11 GB) usage by Antimalware Service Executable (MsMpEng.exe), which is the core process for Microsoft Defender Antivirus. This …

Jul 5, 2019 · I don't know why but Antimalware Service Executable is using 80% if my CPU. I did anything to try to stop it but it didn't work. Stopped the windows defender, adding the file to the …