The process makes your gear unstable, very slow or not responding.
Antimalware service Executable (MsMpEng) is a Windows Security process that executes real-time protection against malware.
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Why Antimalware executable high CPU usage?
The main purpose of this service is to safeguard your system again malicious software or virus malware infection.
However sometimes antimalware service executable consume a significant portion of your CPUs processing power.
Scans can be triggered by real-time protection or scheduled scans.
In addition, you should probably ensure the latest Windows updates are installed.
Prevent Antimalware Service Executable from Scanning its Own Folder is helpful for a few users.
Here few tested solutions apply to fix Antimalware service executable high CPU usage on Windows 11.
Keeping your Windows Defender definitions and Windows 11 update is crucial for optimal performance and security.
However, these scans might coincide with times when youre actively using your system.
Note To remove it from the list and the process, punch the exclusion arrow and select Remove.
Frequently Asked Questions (FAQs)
What is Antimalware Service Executable and why is it using high CPU?
High CPU usage by this process could indicate its scanning files or performing background tasks.
How can I reduce Antimalware Service Executables CPU usage?
Why does Antimalware Service Executable suddenly start consuming high CPU?
Will disabling Antimalware Service Executable harm my computers security?
Disabling Windows Defender may leave your system vulnerable to malware attacks.
How do I find out if Antimalware Service Executable is causing high CPU usage?
If its consuming a significant amount of CPU, it might be the cause of the issue.
Can outdated definitions cause Antimalware Service Executable to use high CPU?
Ensure Windows Defender is up-to-date to prevent this.
Are there any permanent fixes for Antimalware Service Executable high CPU usage?
Microsoft periodically releases updates and patches to improve the performance of Windows Defender.
Keeping your system up-to-date and regularly checking for updates can help mitigate this issue in the long term.
Should I consider using third-party antivirus software instead of Windows Defender?
Its a matter of personal preference and the specific needs of your system.
Try these 8 solutions 2025
