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  1. Anitmalware Service Executable - Microsoft Community

    As soon as TM comes up (usually immediately) I can see that Windows Defender Smart Screen or Anitmalware Service Executable (MsMpEng.exe, the worst offender,) Power usage trend is …

  2. Msmpeng.exe is Making Me Tear My Hair Off! - Super User

    msmpeng.exe causes CPU spikes that happen every 15 mins or so, and it has finally got to me. As far as I can remember, I started facing this after installing MS Security Essentials on my …

  3. windows10系统的 Antimalware Service Executable进程在笔记本和 …

    Sep 25, 2018 · 为什么windows10系统的 Antimalware Service Executable进程在笔记本和台式机占用内存不同呢?台式机只占用70多兆内存,thinkpad X1carbon的笔记本上占用内存高达200兆 …

  4. Kill a process which says "Access denied" - Super User

    Jun 15, 2015 · As of late 2019, this method and every other mentioned here fails to kill (or allow me to query the handles or anything else of) MsMpEng.exe, for one: I have no controlling …

  5. Disable Defender but keep Windows Firewall active in Win10

    Jun 12, 2018 · In the latest Windows update (1803) it seems that the Windows Firewall is now part of Windows Defender. Windows Defender is questionable and MsMpEng.exe …

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  7. MsMpEng.exe (Windows Defender?) uses a lot of CPU at startup …

    Uninstalling Windows Defender and rebooting took care of the unexplained second instance of MsMpEng.exe. The single instance running is now consuming 30mb less RAM -- 75mb …

  8. Why is MSSE's MsMpEng.exe using insanely high amounts of …

    When I checked Task Manager I saw that MsMpEng.exe, the main MSSE file, was using over 5 GB of RAM. I rebooted my PC, which took about 10 minutes due to the heavy RAM and …

  9. If Windows Defender is "off" should MsMpEng even be running?

    Jan 17, 2017 · If Windows Defender is “off” should MsMpEng even be running? Only and only if you have Microsoft Security Essentials or System Center Endpoint Protection installed.

  10. MsMpEng.exe just ran alongside another process named …

    May 22, 2018 · As such, seeing MsMpEng.exe (Microsoft Windows Defender Antispyware) in the Task Manager with 6% CPU usage wasn't very surprising, but then I very briefly saw …