Windows antimalware executable task running as cpu hog

 

This shows how to reduce the priority of this task, which can run very long for no reason to be at high priority.

It's the windows cache maintenance.

https://learn.microsoft.com/en-us/answers/questions/3230441/high-cpu-usage-because-of-antimalware-service-exec

1. Press Windows key + R. This will open Run. Alternatively, you can go to Start and search for Run.
2. In Run dialog box, type taskschd.msc and hit enter.
3. Navigate to Task Scheduler Library > Microsoft > Windows > Windows Defender.
4. On the right hand pane, double-click on Windows Defender Scheduled Scan.
5. On the General tab, uncheck the option Run with highest privileges.
6. Click on Conditions tab and uncheck all the options.
7. Click on OK.

right click the task to change the privileges off

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