Windows 10: Antimalware Service Executable permanently at high CPU, memory, and disk usage

Antimalware Service Executable has been at high CPU, memory, and disk usage for the past 3 weeks. I don't know how to stop it or prevent it from using up so many resources. It's noticeably slowing down other tasks and is getting in the way of work and gaming.


I have many archives that are around 100 GB each, with hundreds of thousands of files in each of them. My theory is that Windows is searching these files for viruses. I also have these files mirrored on network drives, but I don't know if Windows is scanning those too. I did a full system scan a few months ago which took a week and a half, having scanned 25 million files.


I tried "Set-MpPreference -DisableArchiveScanning 1" in powershell to stop Windows from scanning archives, but this did not resolve my problem.


Any ideas?

:)

 

Antimalware Service Executable, high cpu, memory and disk usage

I'm having the high CPU usage and it appears that antimalware service executable is to blame. Yes, I had Norton installed and used the removal tool. What do you think could be the problem?

 

Antimalware Service Executable very high disk usage

For me, the Antimalware Service Executable still eats up my disk usage, but since the above suggestion made it so that it only happens while the machine is idle, that is okay for me. I haven't noticed any annoyance from it since.

(Of course, if I had programs running while not on the machine that also needed a lot of disk operations, the solution would not have worked for me, since then Antimalware Service Executable would interfere with those programs.)

If you are still experiencing problems, perhaps try disabling Antimalware Service Executable and the other service you mentioned (that I don't know) completely? Of course, that is assuming you can live with not having them.

(I don't think there is a way to change how much disk operations the program needs, so when it runs, it'll always have high disk usage if your disk is quite slow)

 

Antimalware Service Executable High CPU

I am experiencing high CPU usage on the Antimalware Service Executable on my Surface Pro i7 1 tb (2017). This has been going on for a couple of months. It makes my computer almost unusable. The CPU sits at 100% any time I try to use it. The CPU has
over 50% usage when nothing is being run in the foreground all the time (24 hours a day). The April update was just installed and the Antimalware Service Executable is still running at over 40% of the CPU utilization.