BSOD many times a day...

I'm have this critical error over and over sometimes 6 times a day. Right now the count is at 47 BSOD's in the past 2 weeks. Eventviewer says: Kernal-power eventID 41. I have done everything within the limits of my knowledge to resolve this problem. I'm hoping someone can look over this dump and suggest some resolution for my problem since I have no clue what i'm looking at.


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Microsoft (R) Windows Debugger Version 6.11.0001.404 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.


Loading Dump File [C:\Windows\Minidump\110809-20701-01.dmp]
Mini Kernel Dump File: Only registers and stack trace are available

Symbol search path is: SRV*C:\SymCache*Symbol information
Executable search path is:
Windows 7 Kernel Version 7100 MP (2 procs) Free x64
Product: WinNt, suite: TerminalServer SingleUserTS
Built by: 7100.0.amd64fre.winmain_win7rc.090421-1700
Machine Name:
Kernel base = 0xfffff800`02c02000 PsLoadedModuleList = 0xfffff800`02e3be90
Debug session time: Sun Nov 8 03:05:44.473 2009 (GMT-5)
System Uptime: 0 days 1:34:57.455
Loading Kernel Symbols
...............................................................
................................................................
..................
Loading User Symbols
Loading unloaded module list
...........
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 50, {fffffa0002c82778, 8, fffffa0002c82778, 7}


Could not read faulting driver name
Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+3ddab )

Followup: MachineOwner
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1: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

PAGE_FAULT_IN_NONPAGED_AREA (50)
Invalid system memory was referenced. This cannot be protected by try-except,
it must be protected by a Probe. Typically the address is just plain bad or it
is pointing at freed memory.
Arguments:
Arg1: fffffa0002c82778, memory referenced.
Arg2: 0000000000000008, value 0 = read operation, 1 = write operation.
Arg3: fffffa0002c82778, If non-zero, the instruction address which referenced the bad memory
address.
Arg4: 0000000000000007, (reserved)

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


Could not read faulting driver name

WRITE_ADDRESS: GetPointerFromAddress: unable to read from fffff80002ea60e0
fffffa0002c82778

FAULTING_IP:
+0
fffffa00`02c82778 ?? ???

MM_INTERNAL_CODE: 7

CUSTOMER_CRASH_COUNT: 1

DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT

BUGCHECK_STR: 0x50

PROCESS_NAME: svchost.exe

CURRENT_IRQL: 0

TRAP_FRAME: fffff88007f50840 -- (.trap 0xfffff88007f50840)
NOTE: The trap frame does not contain all registers.
Some register values may be zeroed or incorrect.
rax=fffffa80059efab0 rbx=0000000000000000 rcx=0000000000000000
rdx=0000000000000001 rsi=0000000000000000 rdi=0000000000000000
rip=fffffa0002c82778 rsp=fffff88007f509d0 rbp=0000000000000000
r8=fffff80002c02000 r9=0000000000000000 r10=fffff80002c02000
r11=00000000000f0001 r12=0000000000000000 r13=0000000000000000
r14=0000000000000000 r15=0000000000000000
iopl=0 nv up ei ng nz na pe nc
fffffa00`02c82778 ?? ???
Resetting default scope

LAST_CONTROL_TRANSFER: from fffff80002ce8f51 to fffff80002c80f80

STACK_TEXT:
fffff880`07f506d8 fffff800`02ce8f51 : 00000000`00000050 fffffa00`02c82778 00000000`00000008 fffff880`07f50840 : nt!KeBugCheckEx
fffff880`07f506e0 fffff800`02c7f06e : 00000000`00000008 0000000d`6b49cc46 00000000`00000000 00000000`00000000 : nt! ?? ::FNODOBFM::`string'+0x3ddab
fffff880`07f50840 fffffa00`02c82778 : 00000000`00000002 fffffa80`059ff7e0 00000000`0000002a fffffa80`059ff7e0 : nt!KiPageFault+0x16e
fffff880`07f509d0 00000000`00000002 : fffffa80`059ff7e0 00000000`0000002a fffffa80`059ff7e0 fffff880`07f50ca0 : 0xfffffa00`02c82778
fffff880`07f509d8 fffffa80`059ff7e0 : 00000000`0000002a fffffa80`059ff7e0 fffff880`07f50ca0 fffff800`02c59469 : 0x2
fffff880`07f509e0 00000000`0000002a : fffffa80`059ff7e0 fffff880`07f50ca0 fffff800`02c59469 00000000`00000001 : 0xfffffa80`059ff7e0
fffff880`07f509e8 fffffa80`059ff7e0 : fffff880`07f50ca0 fffff800`02c59469 00000000`00000001 ffffffff`0000002a : 0x2a
fffff880`07f509f0 fffff880`07f50ca0 : fffff800`02c59469 00000000`00000001 ffffffff`0000002a 00000000`00000000 : 0xfffffa80`059ff7e0
fffff880`07f509f8 fffff800`02c59469 : 00000000`00000001 ffffffff`0000002a 00000000`00000000 00000000`00000002 : 0xfffff880`07f50ca0
fffff880`07f50a00 00000000`07f50ca0 : fffffa80`059fcba0 fffff880`07f50bc8 00000000`00000001 fffff880`07f50ba8 : nt!KeSetCoalescableTimer+0xb1
fffff880`07f50a50 fffffa80`059fcba0 : fffff880`07f50bc8 00000000`00000001 fffff880`07f50ba8 00000000`00dbfb40 : 0x7f50ca0
fffff880`07f50a58 fffff880`07f50bc8 : 00000000`00000001 fffff880`07f50ba8 00000000`00dbfb40 fffff880`07f50be0 : 0xfffffa80`059fcba0
fffff880`07f50a60 00000000`00000001 : fffff880`07f50ba8 00000000`00dbfb40 fffff880`07f50be0 fffff880`07f50ca0 : 0xfffff880`07f50bc8
fffff880`07f50a68 fffff880`07f50ba8 : 00000000`00dbfb40 fffff880`07f50be0 fffff880`07f50ca0 fffff800`02f54487 : 0x1
fffff880`07f50a70 00000000`00dbfb40 : fffff880`07f50be0 fffff880`07f50ca0 fffff800`02f54487 fffffa80`00000000 : 0xfffff880`07f50ba8
fffff880`07f50a78 fffff880`07f50be0 : fffff880`07f50ca0 fffff800`02f54487 fffffa80`00000000 fffffa80`059ff701 : 0xdbfb40
fffff880`07f50a80 fffff880`07f50ca0 : fffff800`02f54487 fffffa80`00000000 fffffa80`059ff701 00000000`00000001 : 0xfffff880`07f50be0
fffff880`07f50a88 fffff800`02f54487 : fffffa80`00000000 fffffa80`059ff701 00000000`00000001 fffffa80`059ff7e0 : 0xfffff880`07f50ca0
fffff880`07f50a90 fffff800`02c56b56 : 00000000`00000000 fffff880`07f50ba8 fffff880`07f50bc8 00000000`00000001 : nt!IoRemoveIoCompletion+0x47
fffff880`07f50b20 fffff800`02c801d3 : fffffa80`06536b60 00000000`77431b10 fffff880`07f50ca0 00000000`016dd6a0 : nt!NtWaitForWorkViaWorkerFactory+0x285
fffff880`07f50c20 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13


STACK_COMMAND: kb

FOLLOWUP_IP:
nt! ?? ::FNODOBFM::`string'+3ddab
fffff800`02ce8f51 cc int 3

SYMBOL_STACK_INDEX: 1

SYMBOL_NAME: nt! ?? ::FNODOBFM::`string'+3ddab

FOLLOWUP_NAME: MachineOwner

MODULE_NAME: nt

IMAGE_NAME: ntkrnlmp.exe

DEBUG_FLR_IMAGE_TIMESTAMP: 49ee9439

FAILURE_BUCKET_ID: X64_0x50_nt!_??_::FNODOBFM::_string_+3ddab

BUCKET_ID: X64_0x50_nt!_??_::FNODOBFM::_string_+3ddab

Followup: MachineOwner
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