Random BSOD Win7 64bit

Hi,
hope you can help me with my problem which is very frustrating
Let's sum up my story...I've bought my pc two weeks ago and experienced no problems during first week, then, a week ago, I started experiencing BSOD on random situations...playing games, surfing the web, working on my pc. The monitor just goes black for 1-2 secs then the infamous BSOD appears.

I'm linking the zip with the dump files and the health report of my system, hoping it helps :)

System Information
-WIn7 64bit Ultimate Edition, original OS installed on system
-PC and OS age is 2 weeks
-Asus motherboard P7H55-M PRO
-Processor Intel i3 530 @ 2.93mhz
-4Gb ram DD3 1333
-Ati Radeon HD5770 Vapor-X

Hi,
Your dumps have error code:
- 0x3B = An exception happened while executing a system service routine.
- 0xA = This indicates that a severe memory management error occurred.
- 0x4E = This indicates that the page frame number (PFN) list is corrupted.
- 0x19 = . This indicates that a pool header is corrupt.

Most of them blame on dxgmms1.sys and memory corruption as the cause.
Let's start with updating your video driver (use driversweeper to remove the old driver)

Perform memory test at least 7 passes because there is memory management error code 0xA
RAM - Test with Memtest86+

While troubleshooting, it's better to:
- Remove AVG and replace it with MSE
- Uninstall Alcohol/Daemon and remove its driver with SPTDinst
(you may install both after the windows stable)

These drivers need to update :
atikmdag.sys --> Ati Video driver
Rt64win7.sys --> Realtek NIC driver
HdAudio.sys --> Realtek HD audio
AsIO.sys --> Asus PCProbe Utility
sptd.sys --> remove with SPTDinst

Logs

Code:

*******************************************************************************
*                                                                             *
*                        Bugcheck Analysis                                    *
*                                                                             *
*******************************************************************************

Use !analyze -v to get detailed debugging information.

BugCheck 19, {20, fffff8a003b3b9a0, fffff8a003b3bf60, 55c0032}

Probably caused by : dxgkrnl.sys ( dxgkrnl!DXGDEVICE::CreateDriverAllocations<_DXGK_ALLOCATIONINFO,_DXGKARG_CREATEALLOCATION>+824 )

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

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

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: 0000000000000020, a pool block header size is corrupt.
Arg2: fffff8a003b3b9a0, The pool entry we were looking for within the page.
Arg3: fffff8a003b3bf60, The next pool entry.
Arg4: 00000000055c0032, (reserved)

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


BUGCHECK_STR:  0x19_20

POOL_ADDRESS: GetPointerFromAddress: unable to read from fffff80002cfd0e0
 fffff8a003b3b9a0 

CUSTOMER_CRASH_COUNT:  1

DEFAULT_BUCKET_ID:  VISTA_DRIVER_FAULT

PROCESS_NAME:  Torchlight.exe

CURRENT_IRQL:  0

LAST_CONTROL_TRANSFER:  from fffff80002bf86d3 to fffff80002ac5740

STACK_TEXT:  
fffff880`09422368 fffff800`02bf86d3 : 00000000`00000019 00000000`00000020 fffff8a0`03b3b9a0 fffff8a0`03b3bf60 : nt!KeBugCheckEx
fffff880`09422370 fffff880`0425abd0 : ffffffff`c000000d 00000000`00000000 fffff880`4b677844 00000000`00000000 : nt!ExDeferredFreePool+0x12c4
fffff880`09422420 fffff880`04254455 : fffff8a0`00000000 fffff880`ffffdb0c fffff880`09422690 fffff880`09422870 : dxgkrnl!DXGDEVICE::CreateDriverAllocations<_DXGK_ALLOCATIONINFO,_DXGKARG_CREATEALLOCATION>+0x824
fffff880`094224c0 fffff880`042571af : fffff8a0`0377f000 fffff880`09422b30 fffff880`09422c01 00000000`00000000 : dxgkrnl!DXGDEVICE::CreateAllocation+0xba9
fffff880`09422ac0 fffff960`0023b336 : 00000000`000bdea0 00000000`40000040 00000000`34d4d000 00000000`000007d3 : dxgkrnl!DxgkCreateAllocation+0x42b
fffff880`09422bf0 fffff800`02ac4993 : 00000000`00000001 00000000`2ec11130 00000000`00000001 fffffa80`06a21c60 : win32k!NtGdiDdDDICreateAllocation+0x12
fffff880`09422c20 00000000`7535119a : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : nt!KiSystemServiceCopyEnd+0x13
00000000`000bde58 00000000`00000000 : 00000000`00000000 00000000`00000000 00000000`00000000 00000000`00000000 : 0x7535119a


STACK_COMMAND:  kb

FOLLOWUP_IP: 
dxgkrnl!DXGDEVICE::CreateDriverAllocations<_DXGK_ALLOCATIONINFO,_DXGKARG_CREATEALLOCATION>+824
fffff880`0425abd0 8bc6            mov     eax,esi

SYMBOL_STACK_INDEX:  2

SYMBOL_NAME:  dxgkrnl!DXGDEVICE::CreateDriverAllocations<_DXGK_ALLOCATIONINFO,_DXGKARG_CREATEALLOCATION>+824

FOLLOWUP_NAME:  MachineOwner

MODULE_NAME: dxgkrnl

IMAGE_NAME:  dxgkrnl.sys

DEBUG_FLR_IMAGE_TIMESTAMP:  4ac5509e

FAILURE_BUCKET_ID:  X64_0x19_20_dxgkrnl!DXGDEVICE::CreateDriverAllocations__DXGK_ALLOCATIONINFO,_DXGKARG_CREATEALLOCATION_+824

BUCKET_ID:  X64_0x19_20_dxgkrnl!DXGDEVICE::CreateDriverAllocations__DXGK_ALLOCATIONINFO,_DXGKARG_CREATEALLOCATION_+824

Followup: MachineOwner

Hi, thanks for the answer :P
Well, I had already installed the most recent ATI drivers (Catalyst 10.9) and removed AVG (installed MSE)...thought Atikmdag.sys was included in Catalyst drivers.
I'll update all other drivers, do the memory test and see what happens.
I'll keep you informed