![Today, I noticed my PC running "Antimalware Service Executable" as a background process. All day, my CPU has gone from idling at about 3%, to then suddenly spiking up to 100% usage. Today, I noticed my PC running "Antimalware Service Executable" as a background process. All day, my CPU has gone from idling at about 3%, to then suddenly spiking up to 100% usage.](https://preview.redd.it/ef3u4n7zy4461.png?auto=webp&s=e5a7d08638f2b9becc99d23668c74145ac5653da)
Today, I noticed my PC running "Antimalware Service Executable" as a background process. All day, my CPU has gone from idling at about 3%, to then suddenly spiking up to 100% usage.
![Microsoft appears to have shipped a buggy Windows 10 update even after negative Insider feedback - MSPoweruser Microsoft appears to have shipped a buggy Windows 10 update even after negative Insider feedback - MSPoweruser](https://mspoweruser.com/wp-content/uploads/2019/09/Windows-Cortana-usage.jpg)
Microsoft appears to have shipped a buggy Windows 10 update even after negative Insider feedback - MSPoweruser
![How To Fix Antimalware Service Executable High Memory / CPU Usage Problem Windows 10 | Quick Way : r/usefulvids How To Fix Antimalware Service Executable High Memory / CPU Usage Problem Windows 10 | Quick Way : r/usefulvids](https://external-preview.redd.it/how-to-fix-antimalware-service-executable-high-memory-cpu-v0-r7hnrw04mZdpXhm_gwlIL8rKAXlCBslp1g4EA6e9x-4.jpg?format=pjpg&auto=webp&s=da98e7a68e639f9927765365df2295b813534eed)
How To Fix Antimalware Service Executable High Memory / CPU Usage Problem Windows 10 | Quick Way : r/usefulvids
![Defender/antimalware service executable seems to be ignoring any policy - High CPU usage and wrong scan times : r/sysadmin Defender/antimalware service executable seems to be ignoring any policy - High CPU usage and wrong scan times : r/sysadmin](https://i.imgur.com/yK5SvBR.jpg)
Defender/antimalware service executable seems to be ignoring any policy - High CPU usage and wrong scan times : r/sysadmin
![Antimalware Service Executable is taking every available ressource while scanning for viruses with Windows Defender : r/techsupport Antimalware Service Executable is taking every available ressource while scanning for viruses with Windows Defender : r/techsupport](https://external-preview.redd.it/antimalware-service-executable-is-taking-every-available-v0-cqQ3Me7FGIjmopWwr2QjGWzDJgoCkrm5HypoE1OzT0w.png?auto=webp&s=1cf222321709bc59112751b14498e654b798dd0e)