Author Topic: AvastSvc.exe using 13% CPU permanently  (Read 2613 times)

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AvastSvc.exe using 13% CPU permanently
« on: November 01, 2018, 01:33:13 PM »
Hello,

Since yesterday the process AvastSvc.exe using 13% of my CPU permanently.

This leads to a lot higher than usual CPU temperatures, so I really want to fix this issue as soon as possible.

Can anyone please help me out with this? I've been quite happy with this AV, so would hate to have to change it..


I'm using Avast Free 18.7.2354 (build 18.7.40.41.389) - Virus definitions 181101-0 on Windows 7 ultimate 64bit.

Many thanks!

Offline Asyn

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Re: AvastSvc.exe using 13% CPU permanently
« Reply #1 on: November 01, 2018, 01:35:45 PM »
Repair Avast:
1. Control Panel -> Add/Remove programs -> Avast
2. Click on 'Repair'.
3. Follow instructions.
4. Reboot.
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

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Re: AvastSvc.exe using 13% CPU permanently
« Reply #2 on: November 01, 2018, 07:48:37 PM »
Hi and thanks for your advice.

Tbh I was hoping for something a bit less "nuclear", the good old reinstall did do the trick.

Many thanks

Offline Asyn

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Re: AvastSvc.exe using 13% CPU permanently
« Reply #3 on: November 02, 2018, 05:17:04 AM »
You're welcome.
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 kwiq

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Re: AvastSvc.exe using 13% CPU permanently
« Reply #4 on: November 02, 2018, 08:28:56 AM »
Hi daniel.loves.freitag,
to find out which component is responsible for CPU usage we would need to capture xperf logs and upload it to analysis.

Here are step by step instructions :

1) Download xperf or wpa package it is win dependent so if you have win 7 download xperf for win 7 !

2) Start cmd as admin and type to start profiling:
xperf.exe -on DiagEasy+DISPATCHER+Profile -stackwalk profile+CSwitch+ReadyThread -start user -on 72AA3505-D4D6-4527-A088-92534DA1082C

3) Stop profiling
xperf.exe -stop user -stop -d daniel_loves_freitag_merged.etl

4) Zip daniel_loves_freitag_merged.etl to daniel_loves_freitag_merged.zip and upload it  to ftp://ftp.avast.com/incoming

Thank you for report.
« Last Edit: November 02, 2018, 08:34:39 AM by kwiq »