Solved MS Antimalware Service Executable high ram usage after installing ESET


Sheikh

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Location
Tehran, IRAN.
OS
Windows 11 Pro 24H2
I remember that when I installed ESET a year ago, Windows defender ram usage dropped, just installed ESET on another system two days ago and it deactivated defender automatically. but defender is still using about 150MB of ram. is that normal? is there any way to reduce its ram usage without completely deactivating it?
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei MateBook D15
    CPU
    Ryzen 5 3500U
    Memory
    8GB
    Graphics Card(s)
    Vega 8
    Screen Resolution
    FHD
    Hard Drives
    256GB Samsung SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    ESET Smart Security Premium
  • Operating System
    Windows 10 Enterprise LTSC 21H2
    Computer type
    Laptop
    Manufacturer/Model
    MSI GS73 6RF Stealth Pro
    CPU
    intel core i7 6700HQ
    Memory
    16GB
    Graphics card(s)
    Nvidia Geforce GTX1060 (6GB)
    Screen Resolution
    FHD
    Hard Drives
    128GB SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
I remember that when I installed ESET a year ago, Windows defender ram usage dropped, just installed ESET on another system two days ago and it deactivated defender automatically. but defender is still using about 150MB of ram. is that normal? is there any way to reduce its ram usage without completely deactivating it?
I am allways removing crapware Defender/MS security etc. by this tool:

Defender remover

and install my prefered AV and security app. System speed up extremely and RAM/CPU consumption decreasing rapidly :-)(y)
 

My Computer

System One

  • OS
    Windows 10
I just delve into Windows s settings and deselect allow defender to do occasional scans.

1748285679195.webp
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2 26100.4202
    Computer type
    Laptop
    Manufacturer/Model
    Acer Swift SF114-34
    CPU
    Pentium Silver N6000 1.10GHz
    Memory
    4GB
    Screen Resolution
    1920 x 1080
    Hard Drives
    SSD 2TB
    Cooling
    fanless
    Internet Speed
    150 Mbps
    Browser
    Brave
    Antivirus
    Webroot Secure Anywhere
    Other Info
    System 3

    ASUS T100TA Transformer
    Processor Intel Atom Z3740 @ 1.33GHz
    Installed RAM 2.00 GB (1.89 GB usable)
    System type 32-bit operating system, x64-based processor

    Edition Windows 10 Home
    Version 22H2 build 19045.3570
  • Operating System
    Windows 11 Pro 23H2 22631.2506
    Computer type
    Laptop
    Manufacturer/Model
    HP Mini 210-1090NR PC (bought in late 2009!)
    CPU
    Atom N450 1.66GHz
    Memory
    2GB
    Browser
    Brave
    Antivirus
    Webroot

My Computers

System One System Two

  • OS
    Windows 11 Pro 24H2
    Computer type
    Laptop
    Manufacturer/Model
    Huawei MateBook D15
    CPU
    Ryzen 5 3500U
    Memory
    8GB
    Graphics Card(s)
    Vega 8
    Screen Resolution
    FHD
    Hard Drives
    256GB Samsung SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    ESET Smart Security Premium
  • Operating System
    Windows 10 Enterprise LTSC 21H2
    Computer type
    Laptop
    Manufacturer/Model
    MSI GS73 6RF Stealth Pro
    CPU
    intel core i7 6700HQ
    Memory
    16GB
    Graphics card(s)
    Nvidia Geforce GTX1060 (6GB)
    Screen Resolution
    FHD
    Hard Drives
    128GB SSD + 1TB HDD
    Browser
    Microsoft Edge
    Antivirus
    Windows Defender
Defender is mostly dormant, waiting to accept new Platform or Definition updates in the background or in case it needs to be re-enabled when ESET gets uninstalled.
 

My Computer

System One

  • OS
    Windows 7

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