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Windows 7: Random BSOD occurring almost daily, error 0x0000003b

02 Apr 2014   #1

Windows 7 Home Premium
Random BSOD occurring almost daily, error 0x0000003b

I have been experiencing an random intermittent BSOD. I once was able to track it to the adobeflash player and disabling it seemed to improve things. However, the web without adobe flash is not as useful. I was hoping someone could give me a better analysis of what is going wrong.

Problem signature:
Problem Event Name: BlueScreen
OS Version: 6.1.7601.
Locale ID: 1033

Additional information about the problem:
BCCode: 3b
BCP1: 00000000C0000005
BCP2: FFFFF8000333041F
BCP4: 0000000000000000
OS Version: 6_1_7601
Service Pack: 1_0
Product: 768_1

Thank You!

My System SpecsSystem Spec
02 Apr 2014   #2

Microsoft Community Contributor Award Recipient

Windows 10 Home 64Bit

Hello Mayega,

From the one dump in the zip you attached it shows that Avast! antivirus is causing the BSOD for you.
Microsoft (R) Windows Debugger Version 6.2.9200.20512 X86
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Users\Usra\Downloads\SF_02-04-2014\SF_02-04-2014\040214-28438-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*C:\SymCache*
Executable search path is: 
Windows 7 Kernel Version 7601 (Service Pack 1) MP (4 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS Personal
Built by: 7601.18247.amd64fre.win7sp1_gdr.130828-1532
Machine Name:
Kernel base = 0xfffff800`0301e000 PsLoadedModuleList = 0xfffff800`032616d0
Debug session time: Wed Apr  2 16:37:05.332 2014 (UTC + 6:00)
System Uptime: 1 days 0:10:07.800
Loading Kernel Symbols
Loading User Symbols
Loading unloaded module list
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

Use !analyze -v to get detailed debugging information.

BugCheck 3B, {c0000005, fffff8000333041f, fffff8800ad95af0, 0}

*** WARNING: Unable to verify timestamp for aswSnx.SYS
*** ERROR: Module load completed but symbols could not be loaded for aswSnx.SYS
Probably caused by : aswSnx.SYS ( aswSnx+1ea42 )

Followup: MachineOwner

0: kd> !analyze -v
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

An exception happened while executing a system service routine.
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff8000333041f, Address of the instruction which caused the bugcheck
Arg3: fffff8800ad95af0, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.

Debugging Details:

EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.

fffff800`0333041f 0fb711          movzx   edx,word ptr [rcx]

CONTEXT:  fffff8800ad95af0 -- (.cxr 0xfffff8800ad95af0)
rax=fffff88003b3a2c0 rbx=0000000000b6e4c0 rcx=0000000000ec0000
rdx=fffff88003b3a2c0 rsi=0000000000000000 rdi=0000000000000001
rip=fffff8000333041f rsp=fffff8800ad964d0 rbp=0000000000000340
 r8=0000000000000001  r9=0000000000000006 r10=0000000000000008
r11=fffff8800ad964f0 r12=fffffa80041a7a00 r13=0000000082ac0004
r14=000000000000008c r15=fffffa8004af68c0
iopl=0         nv up ei ng nz na pe nc
cs=0010  ss=0018  ds=002b  es=002b  fs=0053  gs=002b             efl=00010282
fffff800`0333041f 0fb711          movzx   edx,word ptr [rcx] ds:002b:00000000`00ec0000=????
Resetting default scope




PROCESS_NAME:  ccSvcHst.exe


LAST_CONTROL_TRANSFER:  from fffff88003ad6a42 to fffff8000333041f

fffff880`0ad964d0 fffff880`03ad6a42 : 00000000`00b6e4c0 00000000`00000000 00000000`00000001 fffffa80`041a7a00 : nt!RtlCompareUnicodeString+0xb
fffff880`0ad96510 00000000`00b6e4c0 : 00000000`00000000 00000000`00000001 fffffa80`041a7a00 00000000`00000000 : aswSnx+0x1ea42
fffff880`0ad96518 00000000`00000000 : 00000000`00000001 fffffa80`041a7a00 00000000`00000000 fffff8a0`00000004 : 0xb6e4c0

fffff880`03ad6a42 ??              ???


SYMBOL_NAME:  aswSnx+1ea42

FOLLOWUP_NAME:  MachineOwner




STACK_COMMAND:  .cxr 0xfffff8800ad95af0 ; kb

FAILURE_BUCKET_ID:  X64_0x3B_aswSnx+1ea42

BUCKET_ID:  X64_0x3B_aswSnx+1ea42

Followup: MachineOwner
Name Information Source ++ aswSnx.SYS ++ avast! Virtualization Driver ++

Please remove it for testing purpose. Use Microsoft Security Essentials.

Recommended from a strict BSOD perspective, compatibility & stability compared to other security software:

Microsoft Security Essentials - Free Antivirus for Windows

Malwarebytes - Free

Good and Free system security combination.

Reduce items at start-up: Startup Programs - Change

Perform a clean boot: Troubleshoot Application Conflicts by Performing a Clean Startup

Run a System file check (SFC): SFC /SCANNOW Command - System File Checker

Run Disk Check on your Hard Drive(s): Disk Check

Scan with Kaspersky TDSSKiller:Anti-rootkit utility TDSSKiller

ESET online scanner: Free Online Virus Scanner | ESET

Keep us posted.
My System SpecsSystem Spec
03 Apr 2014   #3

Windows 7 Home Premium

Thank You! I upgraded Avast and will see if this helps, if it doesn't I will install another anti-virus. Thank You again!
My System SpecsSystem Spec


 Random BSOD occurring almost daily, error 0x0000003b

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