Is there a windbg expert reader out there to read a fault report?

Can anyone look at this debugging report and tell me what could be causing my crashes

my computer keeps blue screen crashing often whether i am using firefox or playing sims 3. i have a 64 bit amd quad core chip with windows 7. here is the report i got after running a debugger on the minidump from today. it is soooo much appreciated. I have researched this but am at the end of my knowledge base.

Use !analyze -v to get detailed debugging information.

BugCheck 3B, {c0000005, fffff960006291de, fffff88007454b30, 0}

Probably caused by : hardware ( cdd!BitBltBitmap+5c6 )

Followup: MachineOwner
---------

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

SYSTEM_SERVICE_EXCEPTION (3b)
An exception happened while executing a system service routine.
Arguments:
Arg1: 00000000c0000005, Exception code that caused the bugcheck
Arg2: fffff960006291de, Address of the instruction which caused the bugcheck
Arg3: fffff88007454b30, Address of the context record for the exception that caused the bugcheck
Arg4: 0000000000000000, zero.

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


EXCEPTION_CODE: (NTSTATUS) 0xc0000005 - The instruction at 0x%08lx referenced memory at 0x%08lx. The memory could not be %s.

FAULTING_IP:
cdd!BitBltBitmap+5c6
fffff960`006291de 014863 add dword ptr [rax+63h],ecx

CONTEXT: fffff88007454b30 -- (.cxr 0xfffff88007454b30)
rax=0000000000000000 rbx=0000000000000000 rcx=fffffa8004a36400
rdx=0000000000000000 rsi=fffff88007455d50 rdi=0000000000000001
rip=fffff960006291de rsp=fffff88007455500 rbp=fffff900c00c0020
r8=0000000000000000 r9=0000000000000000 r10=0000000000000000
r11=fffff880074554d0 r12=0000000000000000 r13=fffff900c00cf9a8
r14=0000000000001400 r15=0000000000000001
iopl=0 nv up ei pl zr na po nc
cs=0010 ss=0018 ds=002b es=002b fs=0053 gs=002b efl=00010246
cdd!BitBltBitmap+0x5c6:
fffff960`006291de 014863 add dword ptr [rax+63h],ecx ds:002b:00000000`00000063=????????
Resetting default scope

DEFAULT_BUCKET_ID: VISTA_DRIVER_FAULT

BUGCHECK_STR: 0x3B

PROCESS_NAME: firefox.exe

CURRENT_IRQL: 0

MISALIGNED_IP:
cdd!BitBltBitmap+5c6
fffff960`006291de 014863 add dword ptr [rax+63h],ecx

LAST_CONTROL_TRANSFER: from 0000000000000000 to fffff960006291de

STACK_TEXT:
fffff880`07455500 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : cdd!BitBltBitmap+0x5c6


FOLLOWUP_IP:
cdd!BitBltBitmap+5c6
fffff960`006291de 014863 add dword ptr [rax+63h],ecx

SYMBOL_STACK_INDEX: 0

SYMBOL_NAME: cdd!BitBltBitmap+5c6

FOLLOWUP_NAME: MachineOwner

DEBUG_FLR_IMAGE_TIMESTAMP: 0

STACK_COMMAND: .cxr 0xfffff88007454b30 ; kb

MODULE_NAME: hardware

IMAGE_NAME: hardware

FAILURE_BUCKET_ID: X64_IP_MISALIGNED_cdd.dll

BUCKET_ID: X64_IP_MISALIGNED_cdd.dll

Followup: MachineOwner
 
0x3B errors are often caused by video card drivers but here it cites hardware which means their might be an issue with your video card.
 
ok, how did you derive that from what I pasted on there. I could not even see the 03xb code you referred to. I would like to learn how to decypher these debugging reports and fix the issue.
 
Often it does, but not always.

Here is a great place for error codes: http://aumha.org/a/stop.htm

Please note that this hasn't been updated since October 18th, 2007. There have been some changes butr all in all it is still a valuable tool.
 
Often it does, but not always.

Here is a great place for error codes: http://aumha.org/a/stop.htm

Please note that this hasn't been updated since October 18th, 2007. There have been some changes butr all in all it is still a valuable tool.
I like that link as well. :) It has lots of good info!

I can add a couple more i've bookmarked over the years that i've also found helpful (some may be old but can still have good general info/explain)
> Windows Blue Screen Data (some of it is a bit "techy" but also has some good general info)
> Bug Check Codes
> Complete STOP Code List: STOP Code 0x1 to STOP Code 0xC0000221
> Stop Errors and Blue Screen
> Kelly's Korner
 
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