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Antimalware Service Executable Process: Heres what you need to know about the service

  • Oct 29, 2025
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If the "Antimalware Service Executable" process is displayed in the Windows 10 task manager, you can usually hardly assign it. Well tell you whats behind it.

Process "Antimalware Service Executable" - all information

The Antimalware Service Executable process is usually conspicuous because it has a high CPU load in the task manager.

  • The process is part of the in-house protection program Windows Defender, which is designed to protect you from malicious attacks. The process always runs in the background and actually uses hardly any resources.
  • However, Windows Defender checks all files on your computer for viruses and other malware at regular intervals. Such a scan is started especially after Windows updates. Depending on the load on your computer and the number of files on your computer, this process can take a few minutes to several hours.
  • You can turn off the Windows Defender at any time. Note that you should always have active antivirus software on your PC to avoid danger. Here you will find a Selection of free antivirus programs .
Antimalware Service Executable in Task Manager Screenshot: Tim Aschermann

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