Author Topic: Avast high CPU usage while steam is updating in the background  (Read 1917 times)

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Offline Márk Stitovits

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Avast high CPU usage while steam is updating in the background
« on: November 05, 2021, 11:32:58 PM »
So I have been facing this issue for a while, and to my knowledge many people does. My problem is that whenever the steam client updates anything in the background there is a very high CPU usage with Avast(Screenshot provided). I have added the whole steam folder to the exclusion list, and also allowed the app. It doesn't matter what I do, it just doesn't give a ****. When I turn off Avast then everything is working fine, so it is confirmed that Avast is the problem here. I have also contacted Avast Tech support, I was chatting with them, and they even connected to my pc. But it's still not fixed. Can anyone provide me any information how to fix this issue? Thank you so much!
https://imgur.com/a/jN8afi1

Avast Premium Security (ver. 21.9.2494- build 21.9.6698.561)
Windows 10 Professional 21H1 (OS Build 19043.1320)
« Last Edit: November 06, 2021, 05:12:59 PM by Márk Stitovits »

Offline rocksteady

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Re: Avast high CPU usage while steam is updating in the background
« Reply #1 on: November 06, 2021, 11:00:39 AM »
You can post images as inline attachments to your post if you use the "Attachments and other options" link under the Post reply text box.

Offline Asyn

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Re: Avast high CPU usage while steam is updating in the background
« Reply #2 on: November 06, 2021, 01:23:40 PM »
Please attach your screenshot(s), some of us don't follow external links. ;)
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Márk Stitovits

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Re: Avast high CPU usage while steam is updating in the background
« Reply #3 on: November 06, 2021, 05:13:31 PM »
Please attach your screenshot(s), some of us don't follow external links. ;)
I did it, thank you  :)

Offline Márk Stitovits

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Re: Avast high CPU usage while steam is updating in the background
« Reply #4 on: November 06, 2021, 05:14:11 PM »
You can post images as inline attachments to your post if you use the "Attachments and other options" link under the Post reply text box.
Done. Thank you  :)

Offline Asyn

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Re: Avast high CPU usage while steam is updating in the background
« Reply #5 on: November 07, 2021, 10:02:57 AM »
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline Márk Stitovits

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Re: Avast high CPU usage while steam is updating in the background
« Reply #6 on: November 07, 2021, 11:09:50 AM »
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
I do not have anything else installed.
I had Kaspersky before this.
I also encounter this problem with Avast on a clean windows install. I don't think it has something to do with other security products.

Offline Asyn

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Re: Avast high CPU usage while steam is updating in the background
« Reply #7 on: November 07, 2021, 11:14:07 AM »
Hi, if you're willing to help, see: https://forum.avast.com/index.php?topic=237567.0
W8.1 [x64] - Avast Free AV 23.3.8047.BC [UI.757] - Firefox ESR 102.9 [NS/uBO/PB] - Thunderbird 102.9.1
Avast-Tools: Secure Browser 109.0 - Cleanup 23.1 - SecureLine 5.18 - DriverUpdater 23.1 - CCleaner 6.01
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline bob3160

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Re: Avast high CPU usage while steam is updating in the background
« Reply #8 on: November 07, 2021, 04:59:41 PM »
You could try the following to see if it makes a difference,
Menu > Settings > Troubleshooting >
Uncheck Enable Hardware-assisted virtualization
If it helps great, if not just change it back.   
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