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27 Posts

12-19-2012

Poland

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  • Posts: 27
  • Registered: ‎12-19-2012
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Win8 Antimalware Service use 100% cpu in idle

2013-07-06, 13:28 PM

When I am doing nothing on my Yoga then Antimalware Service is started and my Yoga is soooo loud with fans and sooo hot. Can anybody know how to disable this Antimalware Service? I know that I can disable Windows Defender. But I want realtime scanning when I am downloading something. I just dont what scanning hdd when I am in idle. In Win7 you can disable scanning in idle and only have realtime scanning. I Win8 this options is not available. Anybody solved this problem?

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2677 Posts

05-01-2010

United States of America

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Re: Win8 Antimalware Service use 100% cpu in idle

2013-07-06, 15:02 PM

Hi szy,

There isn't a setting in Defender to use on-demand scanning, but there is a way to turn automatic scanning off though.
The scan runs as part of a scheduled task:
1. Open up Task Schedule (search Schedule Tasks and it will be under settings)
2. Double-click to open up the Task Scheduler Library on the left side pane, its located under Microsoft -> Windows Defender.
The one you want is called MP Scheduled Scan, if you click it on the bottom of the right side bar you can disable it.

 More info here: http://www.winhelp.us/configure-windows-defender-in-windows-8.html

 






Microsoft MVP Consumer Security 2006-2016 / Windows Insider MVP 2016-Present
I am not employed by Microsoft or Lenovo.

Using Browser Search to Find Your Answers In Lenovo and Moto Community
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2677 Posts

05-01-2010

United States of America

12898 Signins

148808 Page Views

  • Posts: 2677
  • Registered: ‎05-01-2010
  • Location: United States of America
  • Views: 148808
  • Message 2 of 3

Re: Win8 Antimalware Service use 100% cpu in idle

2013-07-06, 15:02 PM

Hi szy,

There isn't a setting in Defender to use on-demand scanning, but there is a way to turn automatic scanning off though.
The scan runs as part of a scheduled task:
1. Open up Task Schedule (search Schedule Tasks and it will be under settings)
2. Double-click to open up the Task Scheduler Library on the left side pane, its located under Microsoft -> Windows Defender.
The one you want is called MP Scheduled Scan, if you click it on the bottom of the right side bar you can disable it.

 More info here: http://www.winhelp.us/configure-windows-defender-in-windows-8.html

 






Microsoft MVP Consumer Security 2006-2016 / Windows Insider MVP 2016-Present
I am not employed by Microsoft or Lenovo.

Using Browser Search to Find Your Answers In Lenovo and Moto Community

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27 Posts

12-19-2012

Poland

65 Signins

389 Page Views

  • Posts: 27
  • Registered: ‎12-19-2012
  • Location: Poland
  • Views: 389
  • Message 3 of 3

Re: Win8 Antimalware Service use 100% cpu in idle

2013-07-06, 21:01 PM

Thanks for help. I already found a solution. I selected whole c drive as path which should be not scanned :) Now I also disabled this in scheduled task as you wrote.

 

Now I have another problem. Looks like windows installer modules worker takes 70% cpu when I am in idle :( I disabled search for windows updates. I hope this will help.

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