bugcheck analysis

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can any1 help me with this ?? i'm kinda new to this problems...i use win xp sp2...just made an upgrade - bought corsair ddr2 2x512mb 800MHz TWIN2X and 2x HDD WD...and the computer had few unexpected restarts since then.

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* Bugcheck Analysis *
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BAD_POOL_HEADER (19)
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.
Arguments:
Arg1: 00000020, a pool block header size is corrupt.
Arg2: 888745b8, The pool entry we were looking for within the page.
Arg3: 88875388, The next pool entry.
Arg4: 89bab008, (reserved)

Debugging Details:
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BUGCHECK_STR: 0x19_20

POOL_ADDRESS: 888745b8

CUSTOMER_CRASH_COUNT: 1

DEFAULT_BUCKET_ID: DRIVER_FAULT

PROCESS_NAME: System

LAST_CONTROL_TRANSFER: from 80543e86 to 804f8aef

STACK_TEXT:
bace7cd4 80543e86 00000019 00000020 888745b8 nt!KeBugCheckEx+0x1b
bace7d24 805b564b 888745c0 f6666647 bad0b100 nt!ExFreePoolWithTag+0x2a0
bace7d48 805af817 00000000 888745d8 89e40640 nt!ObpFreeObject+0x18d
bace7d60 805afcca 888745d8 00000001 80558b20 nt!ObpRemoveObjectRoutine+0xe7
bace7d74 80533fe6 00000000 00000000 89e40640 nt!ObpProcessRemoveObjectQueue+0x38
bace7dac 805c4cce 00000000 00000000 00000000 nt!ExpWorkerThread+0x100
bace7ddc 805411c2 80533ee6 00000000 00000000 nt!PspSystemThreadStartup+0x34
00000000 00000000 00000000 00000000 00000000 nt!KiThreadStartup+0x16


STACK_COMMAND: kb

FOLLOWUP_IP:
nt!ExFreePoolWithTag+2a0
80543e86 8b45f8 mov eax,dword ptr [ebp-8]

SYMBOL_STACK_INDEX: 1

FOLLOWUP_NAME: MachineOwner

MODULE_NAME: nt

IMAGE_NAME: ntkrnlpa.exe

DEBUG_FLR_IMAGE_TIMESTAMP: 4587e148

SYMBOL_NAME: nt!ExFreePoolWithTag+2a0

FAILURE_BUCKET_ID: 0x19_20_nt!ExFreePoolWithTag+2a0

BUCKET_ID: 0x19_20_nt!ExFreePoolWithTag+2a0

Followup: MachineOwner


-jr-
 
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