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Windows 7: BSoD of all sorts


16 Jul 2011   #1

Windows 7 Ultimate 32bit
 
 
BSoD of all sorts

System is 8 months old
OS is Windows 7 Ultimate 32bit, full retail, also 8 months, never reinstalled.


My System SpecsSystem Spec
.

16 Jul 2011   #2

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Test your memory. Best method is to run this overnight and get 5 or more passes out of it.
RAM - Test with Memtest86+

Also you should probably check windows files (this is a quick one you can actually do it first if you want)
SFC /SCANNOW Command - System File Checker


sadly given the completely random nature of the crash reports I'm thinking memory for the moment.

a random dump (they're all completely different)

Code:
PFN_LIST_CORRUPT (4e)
Typically caused by drivers passing bad memory descriptor lists (ie: calling
MmUnlockPages twice with the same list, etc).  If a kernel debugger is
available get the stack trace.
Arguments:
Arg1: 00000099, A PTE or PFN is corrupt
Arg2: 00034d03, page frame number
Arg3: 00000002, current page state
Arg4: 00034cfc, 0

Debugging Details:
------------------


BUGCHECK_STR:  0x4E_99

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

PROCESS_NAME:  taskhost.exe

CURRENT_IRQL:  2

LAST_CONTROL_TRANSFER:  from 82d2a51f to 82d1ef2c

STACK_TEXT:  
afe387b8 82d2a51f 0000004e 00000099 00034d03 nt!KeBugCheckEx+0x1e
afe387d0 82c6b57f 00e29000 c0007150 85f62030 nt!MiBadShareCount+0x24
afe3881c 82c6b9ab 85f17d40 00000200 00000000 nt!MiDeletePteList+0x30f
afe38c84 82cfad62 c0007148 85f17d40 9ebe75a7 nt!MiDecommitPages+0x422
afe38d1c 82c7e1ea ffffffff 027df300 027df314 nt!NtFreeVirtualMemory+0x880
afe38d1c 775970b4 ffffffff 027df300 027df314 nt!KiFastCallEntry+0x12a
WARNING: Frame IP not in any known module. Following frames may be wrong.
027df2d4 00000000 00000000 00000000 00000000 0x775970b4


STACK_COMMAND:  kb

FOLLOWUP_IP: 
nt!MiBadShareCount+24
82d2a51f cc              int     3

SYMBOL_STACK_INDEX:  1

SYMBOL_NAME:  nt!MiBadShareCount+24

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: nt

DEBUG_FLR_IMAGE_TIMESTAMP:  4d9fd753

IMAGE_NAME:  memory_corruption

FAILURE_BUCKET_ID:  0x4E_99_nt!MiBadShareCount+24

BUCKET_ID:  0x4E_99_nt!MiBadShareCount+24

Followup: MachineOwner
---------
My System SpecsSystem Spec
16 Jul 2011   #3

Windows 7 Ultimate 32bit
 
 

I get a windows resource protection could not perform the requested operation at 75% for the sfc /scannow
i used an elevated command prompt too
My System SpecsSystem Spec
.


16 Jul 2011   #4

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

that is not a good sign, run the command in the same way from safe mode and see if it can complete.
My System SpecsSystem Spec
16 Jul 2011   #5

Windows 7 Ultimate 32bit
 
 

it completed in safe mode

im going to go ahead and run memtest now

edit: running memtest now. on my first pass i got two errors.
when memtest finishes will there be some sort of log i can post here? or should i just say what those errors are now?
My System SpecsSystem Spec
16 Jul 2011   #6

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

yeah go ahead and follow through with the memtest then.

All of the below assumes you already ran memtest and it came back without errors.

If it failed in normal windows mode and completed in safe without errors. Something is still going on.

Use msconfig to clean up your startup items too.
the alarm clock should go, you can do that using the task scheduler anyhow.


Finally temporarily remove avast and see if things improve.
My System SpecsSystem Spec
16 Jul 2011   #7

Windows 7 Ultimate 32bit
 
 

heya i know you said to let it run for 5 passes, but since I already have errors in passes 0 and 1, im guessing i dont need to wait that long anymore.

so its likely a motherboard or memory problem?

also, i've already removed avast prior to the sfc scan and installed MSE instead
and i usually uncheck all the unnecessary programs in msconfig every time i install new stuff

ill memtest each stick and each slot now
My System SpecsSystem Spec
16 Jul 2011   #8

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

that would seem to be the case, if you have more than one memory stick you can try testing them seperately and in different slots on the motherboard to narrow it down.
My System SpecsSystem Spec
16 Jul 2011   #9

Windows 7 Ultimate 32bit
 
 

is it possible that overheating is causing the problems? the bsods only started happening once the weather got hot.
i think i should invest in some better cooling and ventilation
My System SpecsSystem Spec
16 Jul 2011   #10

Microsoft Community Contributor Award Recipient

Windows 7 x64
 
 

Well ram does eventually fail. Sometimes it will last a year or two, sometimes it will last for 15 years. There really is no way of knowing.
The heat could be a indication of a heat problem, the temperature change also could have just been the change that killed it. There really is no way for me to put forth any futher information not having direct physical access to the computer myself.
My System SpecsSystem Spec
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 BSoD of all sorts




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