Antimalware Service Executable Disable

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Antimalware Service Executable is causing the high CPU usage. It is the process MsMpEng that used by the Windows Defender program. What is the reason of high CPU usage by Antimalware Service Executable? Commonly, there are two reasons for it. The first reason is the real-time feature that is scanning files constantly, connections and other related applications in real time.

The second reason is the scan feature fully which may be scanning all files, when the computer wakes up from sleep or when it is connected to a network. If you are experiencing that problem, you do not be worry because here in this article we will share you the method to fix high CPU usage by Antimalware Service Executable. Let’s see its methods in the text below.

Method 1: Reschedule Windows Defender Properly

  1. At first you have to click the Start Menu on the left side. Then please type “Administrative Tools”. Click on it to open it.
  2. Afterwards from the Administrative Tools, you have to explorer Window and select “Task Scheduler”. Please double click on it to open it.
  3. In this step you have to browse the following path from the left pane of Task Scheduler.

Library > Microsoft > Windows > Windows defender

  1. When you are in the Windows Defender Folder, search for the name called “Windows Defender Scheduled Scan” and then click on it once to highlight it. Next you can select Properties.
  2. After that you have to click on the Conditions Tab from the Properties Windows. Then uncheck the options under “Idle”, “Power” and “Network”. Click Ok. Here, you will get rid of this problem. This is will make the schedule properly.
  3. If the step above is done, so you can reschedule it. Please click the Properties from the right pane again and select the Triggers tab, then click New. Here, you can select the Weekly option or Monthly option. Then you must also select the Day, click OK. Now ensure that it is enabled.
  4. In this step you will reschedule the Defender to work as per your preference. Nowadays if the scan was running previously, please wait for it until finish. You can see the results after its scan have finished.
  5. If the scan does run as per your defined schedule, so you will still get the High CPU Usage. Please repeat the same for the three other schedules, Windows Defender Cache Maintenance, Windows Defender Cleanup and Windows Defender Verification.
  6. In the last step you can turn the conditions off and set the trigger to run once a week.


Method 2: Using the Registry

  1. You have to press the “Windows Key + R”. Then please type “regedit” in the Run dialog box. Afterwards click OK to open the Windows Registry.
  2. The next step, in the Registry Editor, you have to navigate to:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

  1. The last step, if you see a registry entry named “DisableAntiSpyware”, please double click to edit it and change its value data to 1.

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