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Windows 7: Bad Pool Header 0x19

11 Nov 2013   #1

Windows 7 Professional 32bit
Bad Pool Header 0x19


I saw the recent post on the bad pool header, but also read somewhere to make a new thread instead of replying onto an old one..

This PC is running Windows 7 on an older Toshiba Tecra.
I am able to boot into Safe Mode, but it's been difficult to navigate within it without crashing apps ( so I didn't yet attempt the SF Diag Tool process)..
Attached is the DMP file from the BSOD.. Let me know if the attachment isn't helpful -- thanks in advance for replies!

My System SpecsSystem Spec
11 Nov 2013   #2

Microsoft Community Contributor Award Recipient

Windows 10 Home 64Bit

Note   Note
Do not start the trial version of MalwareBytes
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Microsoft (R) Windows Debugger Version 6.2.9200.20512 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.

Loading Dump File [C:\Users\USER\Downloads\11_11_2013\11_11_2013.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*
Executable search path is: 
Windows 7 Kernel Version 7601 (Service Pack 1) MP (2 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7601.17713.x86fre.win7sp1_gdr.111025-1505
Machine Name:
Kernel base = 0x83408000 PsLoadedModuleList = 0x83548230
Debug session time: Mon Nov 11 21:39:31.022 2013 (UTC + 6:00)
System Uptime: 0 days 0:06:08.160
Loading Kernel Symbols
Loading User Symbols
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *

Use !analyze -v to get detailed debugging information.

BugCheck 19, {22, 91800000, 0, 0}

*** WARNING: Unable to verify timestamp for avgldx86.sys
*** ERROR: Module load completed but symbols could not be loaded for avgldx86.sys
Probably caused by : avgldx86.sys ( avgldx86+6459 )

Followup: MachineOwner

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

The pool is already corrupt at the time of the current request.
This may or may not be due to the caller.
The internal pool links must be walked to figure out a possible cause of
the problem, and then special pool applied to the suspect tags or the driver
verifier to a suspect driver.
Arg1: 00000022, 
Arg2: 91800000
Arg3: 00000000
Arg4: 00000000

Debugging Details:

BUGCHECK_STR:  0x19_22

POOL_ADDRESS: GetPointerFromAddress: unable to read from 83567828
Unable to read MiSystemVaType memory at 83547d80





LAST_CONTROL_TRANSFER:  from 83520bdc to 8348146e

80d863d8 83520bdc 91800000 80d86414 80d86404 nt!ExpFindAndRemoveTagBigPages+0x1fd
80d86448 901d2459 91800000 00000000 00000000 nt!ExFreePoolWithTag+0x140
WARNING: Stack unwind information not available. Following frames may be wrong.
80d86688 901d12d8 8b528f00 00000000 8b587008 avgldx86+0x6459
80d866c4 901f59fc 8b528f00 00000000 00000001 avgldx86+0x52d8
80d869b8 835c1360 864954c0 864c2000 8b6a48f8 avgldx86+0x299fc
80d86b9c 837ad4b6 00000001 00000000 80d86bd4 nt!IopLoadDriver+0x7ed
80d86be8 837aa6d4 80811150 8080a5b0 00000000 nt!IopInitializeSystemDrivers+0x163
80d86c6c 837aead5 0080a5b0 85432980 854c7020 nt!IoInitSystem+0x6de
80d86d48 8358b453 80d86d90 835f046a 8080a5b0 nt!Phase1InitializationDiscard+0xce7
80d86d50 835f046a 8080a5b0 9ef01476 00000000 nt!Phase1Initialization+0xd
80d86d90 83491989 8358b446 8080a5b0 00000000 nt!PspSystemThreadStartup+0x9e
00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x19


901d2459 ??              ???


SYMBOL_NAME:  avgldx86+6459

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: avgldx86

IMAGE_NAME:  avgldx86.sys


FAILURE_BUCKET_ID:  0x19_22_avgldx86+6459

BUCKET_ID:  0x19_22_avgldx86+6459

Followup: MachineOwner

0: kd> lmvm avgldx86
start    end        module name
901cc000 901fa000   avgldx86 T (no symbols)           
    Loaded symbol image file: avgldx86.sys
    Image path: \SystemRoot\system32\DRIVERS\avgldx86.sys
    Image name: avgldx86.sys
    Timestamp:        Mon Sep 02 14:39:14 2013 (52244EB2)
    CheckSum:         0002EC92
    ImageSize:        0002E000
    Translations:     0000.04b0 0000.04e4 0409.04b0 0409.04e4
My System SpecsSystem Spec
11 Nov 2013   #3

Windows 7 Professional 32bit

appcrash when trying to run the uninstall from Programs and Features. I found the AVG removal tool, attempting now.
My System SpecsSystem Spec

11 Nov 2013   #4

Windows 7 Professional 32bit

That was it.. working well! Thank you.
My System SpecsSystem Spec

 Bad Pool Header 0x19

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