Author Topic: Avast waking up PC every 4 minutes from sleep. Wake Source Timer AvastSvc.exe  (Read 30548 times)

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Offline drider4

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I noticed recently that my computer keeps waking up all the time from sleep.  From my investigation it looks like the Avast Service is causing it to wake up for some reason.  When I look in the Event Viewer it shows the process doing the waking is AvastSvc.exe:

"The system has returned from a low power state.

Wake Source: Timer - AvastSvc.exe

This entry is showing up in the event viewer roughly every 4 minutes.  The computer goes to sleep about 3 minutes later and then avast wakes it up a minute after that.


Offline bob3160

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As a guess, I'd say streaming updates.

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Offline drider4

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I already disabled that.  My setting is "automatic updates", but with "enable streaming updates" unchecked.

Offline Asyn

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Offline drider4

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10.4.2233 - free version.
Windows 10 - 64-bit
Only other security software I installed is Malaware Bytes which I run manually not in the background.
I have always used Avast on this PC.

Offline Asyn

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Win 8.1 [x64] - Avast PremSec 21.11.6787.IBC [UI.681] - EEK - Firefox ESR 91.4 [NS/uBO/PB] - TB 91.4
Avast-Tools: Secure Browser 96.0 - Cleanup 21.4 - SecureLine 5.14 - Driver Updater 21.4 - CCleaner 5.87
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline drider4

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Home edition.  Build 10240

Offline Asyn

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Repair Avast:
1. Control Panel -> Add/Remove programs -> Avast
2. Click on 'Repair'.
3. Follow instructions.
4. Reboot.
Win 8.1 [x64] - Avast PremSec 21.11.6787.IBC [UI.681] - EEK - Firefox ESR 91.4 [NS/uBO/PB] - TB 91.4
Avast-Tools: Secure Browser 96.0 - Cleanup 21.4 - SecureLine 5.14 - Driver Updater 21.4 - CCleaner 5.87
Avast Wissenswertes (Downloads, Anleitungen & Infos): https://forum.avast.com/index.php?topic=60523.0

Offline drider4

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I repaired Avast and then rebooted.  I then put my computer to sleep and went away for a bit.  My PC was awake.  It was the same problem.

In the Event Viewer->Windows Logs->System

There was repeated:

1) Kernel Power - the system is entering sleep. 
2) About 1 minute later a Power-TRoubleshooter event saying Wake Soure: Timer - AvastSvc.exe

Offline bob3160

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I repaired Avast and then rebooted.  I then put my computer to sleep and went away for a bit.  My PC was awake.  It was the same problem.

In the Event Viewer->Windows Logs->System

There was repeated:

1) Kernel Power - the system is entering sleep. 
2) About 1 minute later a Power-TRoubleshooter event saying Wake Soure: Timer - AvastSvc.exe
One more thing to try:

Since my computer is set to never sleep, I haven't tested this.
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Offline drider4

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I'll give that a try later today or tomorrow morning.  This is just status reporting right, and doesn't affect getting actual updates to the virus definitions?  Those seem to be under Settings->Update which is set to update every 240 minutes.

Offline bob3160

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I'll give that a try later today or tomorrow morning.  This is just status reporting right, and doesn't affect getting actual updates to the virus definitions?  Those seem to be under Settings->Update which is set to update every 240 minutes.
By disabling Streaming updates, you are actually lessening your computers protection.
Streaming updates make sure that your system is constantly protected against the newest discovered infections, etc.
Virus definitions simply combine these steaming updates but, they only happen every 4 hrs.
I personally never let my computer sleep. I simply turn off my display after a set amount of time.
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Offline drider4

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Well, if Avast has to wake to do it's streaming, or wake to do an update that removes all the power savings from sleeping.  Avast could trigger to update when the computer wakes from sleep, or start streaming when the computer wakes from sleep.  Then if it goes to sleep disable the streaming until the computer wakes and then re-enable it. 

Offline DavidR

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Well, if Avast has to wake to do it's streaming, or wake to do an update that removes all the power savings from sleeping.  Avast could trigger to update when the computer wakes from sleep, or start streaming when the computer wakes from sleep.  Then if it goes to sleep disable the streaming until the computer wakes and then re-enable it. 

I don't believe that it does otherwise I'm certain we would get many more posts about this.

This system is on all day, but I have fairly tight power settings to go to standby monitor 5mins; HDD 15mins; system standby 20mins. When I bring it out of standby I can check the C:\Program Files\AVAST Software\Avast\defs folder and look for the 99999901_stream folder and the pkg999999999999.bin files received usually coincide from closely after coming out of standby.

My win7 netbook spends most of its time in standby and I never switch it off - I have just brought it out of standby/sleep and I see the 15100501_stream folder just created and all of the pkg9999999.bin files created within the last minute or two.

So it isn't coming out of standby/sleep either. I'm not sure what is going on with your system.
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Offline bob3160

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Well, if Avast has to wake to do it's streaming, or wake to do an update that removes all the power savings from sleeping.  Avast could trigger to update when the computer wakes from sleep, or start streaming when the computer wakes from sleep.  Then if it goes to sleep disable the streaming until the computer wakes and then re-enable it.
Submit a support ticket via here https://support.avast.com/Tickets/Submit
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