Can one prevent Antimalware Executable to start hogging CPU for extended periods each time some network adapter gets active?

Anonymous

One of the most annoying habits in Windows 8 is, that the built-in "Antimalware Service Executable" (part of "Windows Defender") starts hogging my device's CPU with 60-70% (and 100% disk) for extended periods EACH AND EVERY time after I wake it up.

I wouldn't mind if it starts doing its business IN THE BACKGROUND but when I wake my device up from standby it's usually to get something done NOW and thus I find it increasingly unacceptable, that the system is always taken over by Window's defender exactly then and for up to several minutes! If I don't find a solution soon to throttle this beast, then I will disable Defender altogether!

What I noticed is, that this process seems to be actually triggered not by the system waking up, but by the network adapter becoming active. And actually, this happens each and every time ANY network adapter gets active! E.g. if my system has NO network connection at all and I plugin the network cable the Antimalware Service Executable starts. When - after it has settled again - I additionally enable Bluetooth then the Antimalware Service Executable starts its hogging business again. And if I then additionally enable the WLAN a few minutes later, it will AGAIN start to consume CPU!

So: can one decouple this? Running a scan ONCE after (re-)starting it is definitely enough, especially if Defender hasn't downloaded any new signatures since the last run! And, second, can one make Defender convince to strictly run in the background ONLY?

Michael

[Moved from Windows]

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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146 answers

Anonymous

2014-09-21T00:43:29+00:00

after you click on windows defender go to top and click on Action then click on Properties a new window will open now click on conditions now you can remove the check marks
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Anonymous

2014-09-20T14:55:34+00:00

MSFT: I finally fingered it out. Go finger.
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Anonymous

2014-09-20T14:37:28+00:00

This problem and it solutions are so Microosoft. I am the admin and only user of this PC. It will not let me check or uncheck any of the conditions boxes suggested above. ?
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Anonymous

2014-09-10T10:47:09+00:00

In that case I suggest you actually read the fora in search for your answers, I doubt others will be better slaves to your needs.
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Anonymous

2014-09-10T07:34:15+00:00

Excuse me? The fact that I think I am smarter than you has nothing to do with this, but you have proven me right at every turn so far. Moreover, I didn't imply that at all; I implied that you are lazy. I have pointed you straight towards the answer after which you were still incapable of finding it in just 4 pages of the thread you are already on. So I searched the thread for you, found the answer 3 times in under 2 minutes and copied the it. Now instead of a 'thank you' you start talking back to me?

Who the **** do you think you are, expecting others to search the forums for you to give you the answers you seek on a silver platter? This thread isn't just littered with loads of complaints, but with several people asking the exact question you did, all of which have received the exact same answer. You are part of the very problem that bothers you so much

Finaly, yes, I also know a solution to your other question, because I posted it in this very thread. It's probably not the answer your were looking for, though. You can either search for it yourself or, if you are too lazy, kindly ask me on which page and see if I'll reply. Just don't assume I'll go and fetch it for you again.

I dont want anything from you - its too nasty.
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