Antimalware Service Executable high CPU

Today I noticed that my computer fan was running more than normal, Windows Explorer become unresponsive and basically the computer wasn’t normal. I took a look at Task Manager and Process Explorer and I noticed that Antimalware Service Executable wasn’t normal and was using about 30% CPU.

antimalware

I found that strange and first I tried to kill the process, but unfortunately  I can’t kill it. Then I tried stop Windows Defender Service, but I can’t stop this service. Then I reboot the computer and the problem was the same…

After a while I did a google search to see if someone else had the same problem. I’ve found that this is a common problem with lots of possible solutions.

The solution that worked for me was:

1º  Open Windows Defender

2º Go to settings\Administrator and uncheck “Turn on this app” and then save settings

windows-defender

3º Now you will have warning messages in Windows TaskBar.

4º Open Action Center

action-center5º Click on button “Turn on now” to turn on Windows Defender.

And after this steps for some reason my computer CPU is again normal.

 

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