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Author Topic: Background Service and Shields are not starting automatically - different user  (Read 15464 times)

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Background Service and Shields are not starting automatically - different user
« on: January 05, 2015, 11:42:48 AM »
I have been using Avast Free for several years now without problem, until very recently.
I decided to pay and upgrade to the Pro version 2015
Whenever I start my laptop none of the shields nor the Avast Background Service start automatically. The rest of Avast starts and seems to function fine, but these specific components do not. Now every time I start up my laptop I need manually start the Shields and background service.

After looking through some older threads I have tried using the "repair" option in the Avast uninstaller to no effect (including reboot). I have also tried completely uninstalling (including reboot) and then subsequently reinstalling Avast, also to no effect.

After a quick search I've found the relevant uninstall tool (https://www.avast.com/en-us/uninstall-utility) and will try using it to remove avast. I completed this in safe mode. restarted, restarted again, installed and I have the same issue.

So Basically I'm back where I started. The uninstaller did not appear to have any discernible effect on the behavior of Avast.

Also, no definition or software updates work properly.

I am running Windows 8.1 64 bit.
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Offline Asyn

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Re: Background Service and Shields are not starting automatically - different user
« Reply #1 on: January 05, 2015, 11:45:12 AM »
- Which Avast..? (Free/Pro/IS/Premier)
- Which version..?
- Other security related software installed..?
- Which AV(s) did you use before Avast..?
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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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  • Guest
Re: Background Service and Shields are not starting automatically - different user
« Reply #2 on: January 05, 2015, 11:54:12 AM »
Quote from: Asyn on January 05, 2015, 11:45:12 AM
- Which Avast..? (Free/Pro/IS/Premier)
- Which version..?
- Other security related software installed..?
- Which AV(s) did you use before Avast..?


Avast Pro
Avast 2015
Nothing else
Avast Free
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Offline Asyn

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Re: Background Service and Shields are not starting automatically - different user
« Reply #3 on: January 05, 2015, 11:55:25 AM »
1. Download Avast Pro Antivirus: http://files.avast.com/iavs9x/avast_pro_antivirus_setup.exe
2. Follow instructions: http://www.avast.com/uninstall-utility (Run this tool for all prior installed Avast versions..!!)
3. Reinstall Avast with the downloaded installer from point 1.
4. Reboot.
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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 Eddy

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Re: Background Service and Shields are not starting automatically - different user
« Reply #4 on: January 05, 2015, 11:57:56 AM »
Little correction:
Windows defender is also installed.
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Offline Asyn

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Re: Background Service and Shields are not starting automatically - different user
« Reply #5 on: January 05, 2015, 11:59:12 AM »
Quote from: Eddy on January 05, 2015, 11:57:56 AM
Little correction:
Windows defender is also installed.
Thanks Eddy.
@OP: You've to disable WD on W8 and above..!!
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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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  • Guest
Re: Background Service and Shields are not starting automatically - different user
« Reply #6 on: January 05, 2015, 01:01:55 PM »
So, unfortunately this is what I have tried in the past. I have done this step by step and ended up at the same point. Please see pictures.


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Offline Eddy

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Re: Background Service and Shields are not starting automatically - different user
« Reply #7 on: January 05, 2015, 01:25:30 PM »
Please do as Asyn said in reply #3
avast will create a log file of the installation.
attach it to your next post.
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  • Guest
Re: Background Service and Shields are not starting automatically - different user
« Reply #8 on: January 05, 2015, 01:48:11 PM »
Please find the log attached.
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Offline Eddy

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Re: Background Service and Shields are not starting automatically - different user
« Reply #9 on: January 05, 2015, 02:17:37 PM »
Reboot 2 or 3 times and let us know if everything is working or not.
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  • Guest
Re: Background Service and Shields are not starting automatically - different user
« Reply #10 on: January 05, 2015, 02:28:56 PM »
4 reboots later - still no change sorry.
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Offline Pondus

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Re: Background Service and Shields are not starting automatically - different user
« Reply #11 on: January 05, 2015, 02:35:07 PM »
see here  https://forum.avast.com/index.php?topic=53253.0
scroll down to Farbar Recovery Scan Tool .... run as instructed and attach the two diagnostic logs

essexboy will then have a look when he is online later today....

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  • Guest
Re: Background Service and Shields are not starting automatically - different user
« Reply #12 on: January 05, 2015, 03:34:04 PM »
As requested
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Offline Eddy

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Re: Background Service and Shields are not starting automatically - different user
« Reply #13 on: January 05, 2015, 03:51:51 PM »
AlternateDataStreams: C:\ProgramData\TEMP:0FF263E8
Looks like a rootkit.
Please run aswmbr
http://public.avast.com/~gmerek/aswMBR.htm
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  • Guest
Re: Background Service and Shields are not starting automatically - different user
« Reply #14 on: January 05, 2015, 04:08:07 PM »
Log didn't indicate that it found anything.
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