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"Antimalware Service Executable" + Task Manager = high CPU load?

I noticed the same issue with high CPU utilisation. I've excluded the c:\Program Files\Windows Defender directory from the list of files/folders and that seems to have worked. I think it is a permissions thing where it keeps on trying to access that folder.
 
I got my SP3 on thursday & noticed this straight away, found it rather annoying so followed the guide in this youtube video:

did not help!

Let's try excluding windows defender directory ^^



Edit.... or simply excluded the "Taskmgr.exe" prrocess in the list xD
 
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Try watching with Resource monitor on the Disk tab you can see what files are being accessed... you have to be quick though. use the read/write/totals columns to sort highest activity to the top.
 
Bitdefender is widely regarded as a decent programme, but my experience has been that it is a resource hog, even on a plugged-in desktop, and for that reason I haven't been a fan. It appears to be the same thing I've seen previously.
When I open my task manager, I don't see an Antimalware Service running. I use Defender, which comes pre-installed and is a Microsoft product, so there's no reason for me to install another anti-virus programme on my Surface. You must have installed Antimalware Service and Bit Defender, which I haven't seen mentioned or discussed here on this topic.
 
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Bitdefender is widely regarded as a decent programme, but my experience has been that it is a resource hog, even on a plugged-in desktop, and for that reason I haven't been a fan. It appears to be the same thing I've seen previously.
When I open my task manager, I don't see an Antimalware Service running. I use Defender, which comes pre-installed and is a Microsoft product, so there's no reason for me to install another anti-virus programme on my Surface. You must have installed Antimalware Service and Bit Defender, which I haven't seen mentioned or discussed here on this topic.
I would agree with the Bitdefender resource hog view ... although it's been a long time since I tried it.
 

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