Author Topic: AvastSvc.exe causes Blue Screen on Windows 7 since August 2017  (Read 1665 times)

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Hello Guys,
as the title of this discussion tells,
I sometimes get a blue screen on my windows 7 system caused by Avast.
This happend the second time today, that's why I'm writing here now.
The first time it happend, I opened a new support ticket which was closed after 3 minutes without any kind of answer!
I am paying for this program so this reaction of the avast support is really annoying.

I hope to find some help here.
I know that there are already discussions around this blue screen but they are all old threads so I open a new one.

The first time the blue screen occured, I got the following information analysing the MiniDump created by Windows.

Most important information for blue screen 1:
Quote
SYSTEM_SERVICE_EXCEPTION (3b)

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
BUGCHECK_STR:  0x3B
PROCESS_NAME:  CompatTelRunner

SYMBOL_STACK_INDEX:  3
SYMBOL_NAME:  aswSnx+283b4
MODULE_NAME: aswSnx
IMAGE_NAME:  aswSnx.sys
STACK_COMMAND:  .cxr 0xfffff88006ed0bf0 ; kb

As you can see: "aswSnx" (Module Name) is the driver which caused the blue screen.


Information for the second blue screen (21-08-2017):

Quote
BUGCHECK_STR:  0x19_3
CUSTOMER_CRASH_COUNT:  1
DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT
PROCESS_NAME:  AvastSvc.exe

STACK_COMMAND:  kb
SYMBOL_STACK_INDEX:  1
SYMBOL_NAME:  nt!ExFreePool+503
FOLLOWUP_NAME:  Pool_corruption
IMAGE_NAME:  Pool_Corruption
MODULE_NAME: Pool_Corruption

As you can see, the second one is a bit different.
The stack command is the same and both blue screens give a clear hint to Avast doing something wrong.

I already did a memory check and also tested my SSD and HDDs for problems but they are fine.

I would like to stay a customer and continue using Avast,
but if Avast keeps crashing my system causing data loss with it, I wont be able to use this software anymore!
As I already said, I never had any blue screens with my system before and use it for around 2 years now.

I am grateful for any hint to fix this problem and hope that the Avast Team will also do something to fix this issue.

Thanks.

Offline Asyn

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Re: AvastSvc.exe causes Blue Screen on Windows 7 since August 2017
« Reply #1 on: August 21, 2017, 01:28:11 PM »
- Which Avast..? (Free/Pro/IS/Premier)
- Which version..?
- OS..? (32/64 Bit..? - which SP/Build..?)
- 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

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Re: AvastSvc.exe causes Blue Screen on Windows 7 since August 2017
« Reply #2 on: August 21, 2017, 01:33:53 PM »
- Which Avast..? (Free/Pro/IS/Premier)

Avast Internet Security


- Which version..?

Latest version available by update.
Programversion: 17.05.2303
Database: 170821-4


- OS..? (32/64 Bit..? - which SP/Build..?)

Windows 7 Professional, 64 Bit, Service Pack 1


- Other security related software installed..?

No.


- Which AV(s) did you use before Avast..?

Malwarebytes AM,
Bitdefender

(But not on this system build - so Avast is the first one running on this system)

Offline Asyn

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Re: AvastSvc.exe causes Blue Screen on Windows 7 since August 2017
« Reply #3 on: August 21, 2017, 01:45:21 PM »
Bitdefender
First, be sure to get rid of all remnants of your prior installed AV(s)..!!
-> https://www.avast.com/faq.php?article=AVKB11#artTitle

Then:
1. Download Avast Internet Security: https://files.avast.com/iavs9x/avast_internet_security_setup_offline.exe
2. Follow instructions: https://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.

PS: Regarding Avast & MBAM, see: https://forums.malwarebytes.com/topic/200324-exclusions-for-avast-users/
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