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 …

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 …

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

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 …

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 …

Jul 21, 2024 · The antimalware service executable is the same in Windows 11 and 10, so the steps you see for 10l, are valid for 11 as well. We need to fix the root cause of why the PC is …

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 …

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 …

Oct 20, 2025 · If your system is having high CPU usage or performance issues related to the Microsoft Defender Antivirus (Anti-malware Service Executable, MsMpEng.exe, Microsoft …

Jan 22, 2025 · Limit CPU Priority: Again, right-click on the "Antimalware Service Executable." Select "Set priority" and choose a lower priority (like "Below normal" or "Low") to reduce its …