Help understanding Mini.dmp file

Got the BSOD on a PC.  No indication what file/driver could be at fault, though.  

I just went online and learned how to debug the mini.dmp file.  Attached is mine.  It says Memory Corruption.

Can anyone please help me analyze this further and tell me what the problem is and how I might fix?

Thank you.

Microsoft (R) Windows Debugger Version 6.9.0003.113 X86
Copyright (c) Microsoft Corporation. All rights reserved.


Loading Dump File [H:\Informtation Technology\RC\MemDump\Mini080408-03.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*c:\symbols*http://msdl.microsoft.com/download/symbols

Executable search path is:
Windows XP Kernel Version 2600 (Service Pack 2) MP (2 procs) Free x86 compatible
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 2600.xpsp_sp2_gdr.070227-2254
Kernel base = 0x804d7000 PsLoadedModuleList = 0x8055c700
Debug session time: Mon Aug  4 17:00:39.734 2008 (GMT-4)
System Uptime: 0 days 0:00:21.437
Loading Kernel Symbols
............................................................................................................................
Loading User Symbols
Loading unloaded module list
.....
*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 1000007F, {d, 0, 0, 0}

Probably caused by : memory_corruption

Followup: memory_corruption
---------

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

UNEXPECTED_KERNEL_MODE_TRAP_M (1000007f)
This means a trap occurred in kernel mode, and it's a trap of a kind
that the kernel isn't allowed to have/catch (bound trap) or that
is always instant death (double fault).  The first number in the
bugcheck params is the number of the trap (8 = double fault, etc)
Consult an Intel x86 family manual to learn more about what these
traps are. Here is a *portion* of those codes:
If kv shows a taskGate
        use .tss on the part before the colon, then kv.
Else if kv shows a trapframe
        use .trap on that value
Else
        .trap on the appropriate frame will show where the trap was taken
        (on x86, this will be the ebp that goes with the procedure KiTrap)
Endif
kb will then show the corrected stack.
Arguments:
Arg1: 0000000d, EXCEPTION_GP_FAULT
Arg2: 00000000
Arg3: 00000000
Arg4: 00000000

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


BUGCHECK_STR:  0x7f_d

CUSTOMER_CRASH_COUNT:  3

DEFAULT_BUCKET_ID:  CODE_CORRUPTION

PROCESS_NAME:  winlogon.exe

LAST_CONTROL_TRANSFER:  from 805780f6 to 8057f4bb

STACK_TEXT:  
f3d27d00 805780f6 0000000c 00000000 00000000 nt!IopXxxControlFile+0x513
f3d27d34 8054086c 0000000c 00000000 00000000 nt!NtFsControlFile+0x2a
f3d27d34 7c90eb94 0000000c 00000000 00000000 nt!KiFastCallEntry+0xfc
WARNING: Frame IP not in any known module. Following frames may be wrong.
0006f234 00000000 00000000 00000000 00000000 0x7c90eb94


STACK_COMMAND:  kb

CHKIMG_EXTENSION: !chkimg -lo 50 -db !nt
6 errors : !nt (8057f2ab-8057fbfb)
8057f2a0  ff  75  e0  e8  44  ae  f7  ff  8b  4d  e0 *e0  aa  66  fa  ff .u..D....M...f..
...
8057f380  0f  95  c1  83  c1  0d  89  0f  89  77  18 *89  4d  2c  89  4f .........w..M,.O
...
8057f4b0  03  00  00  00  3b  c8  75  0d  39  45  2c *65  08  89  43  08 ....;.u.9E,e..C.
...
8057f930  a2  f7  57  80  ff  b5  f4  fc  ff  ff  e8 *30  d3  ff  ff  85 ..W........0....
...
8057fbd0  7d  b0  f3  ab  8d  85  64  ff  ff  ff  50 *68  4c  8d  45  b0 }.....d...PhL.E.
...
8057fbf0  0a  00  85  c0  7c  2a  8b  45  b8  83  c0 *7e  66  89  85  7c ....|*.E...~f..|

MODULE_NAME: memory_corruption

IMAGE_NAME:  memory_corruption

FOLLOWUP_NAME:  memory_corruption

DEBUG_FLR_IMAGE_TIMESTAMP:  0

MEMORY_CORRUPTOR:  STRIDE

FAILURE_BUCKET_ID:  MEMORY_CORRUPTION_STRIDE

BUCKET_ID:  MEMORY_CORRUPTION_STRIDE

Followup: memory_corruption
---------

0: kd> lmvm memory_corruption
start    end        module name
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