Hi,
From your crash dump logs:
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
Use !analyze -v to get detailed debugging information.
BugCheck 4E, {9a, 157c9f, 6, 2}
Probably caused by : afd.sys ( afd! ?? ::GFJBLGFE::`string'+3362 )
Followup: MachineOwner
---------
2: kd> !analyze -v
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************
PFN_LIST_CORRUPT (4e)
Typically caused by drivers passing bad memory descriptor lists (ie: calling
MmUnlockPages twice with the same list, etc). If a kernel debugger is
available get the stack trace.
STOP 0x0000004E: PFN_LIST_CORRUPT Usual causes:
Device driver, ?memory
Please uninstall Daemon tools as it is well known for BSOD.
Start > click on Computer > Uninstall or change a program > choose Daemon tools. Reboot.
Once uninstalled please go here and remove the SPTD driver itself with this tool:
:ar:
DuplexSecure - Downloads
Warning
If the uninstall button is grayed out when you run the program you dont need to do anything and can close the window, if it is not click it and allow it to run. DO NOT click the install button as it will install a driver known to cause BSODs onto your system.
Driver causing issues:
fffff880`033bda88 fffff880`02e33c18Unable to load image \SystemRoot\System32\Drivers\aswTdi.SYS, Win32 error 0n2
*** WARNING: Unable to verify timestamp for aswTdi.SYS
*** ERROR: Module load completed but symbols could not be loaded for aswTdi.SYS
aswTdi+0x4c18
Relates to: avast! TDI Filter Driver
Please uninstall Avast as it is contributing to your BSOD'S.
As an alternative please install:
Microsoft Security Essentials.
Recommended from a strict BSOD perspective, compatibility & stability
compared to other antiviruses/internet security software.
:ar:
Microsoft Security Essentials - Microsoft Windows
This driver pre-dates Windows 7 and should be either updated or deleted:
PTSimBus PTSimBus.sys Thu Jun 07 10:15:34 2007
Relates to: PenTablet Bus enumerator
Please either update through manufacturers's website or try here:
:ar: http://driverscollection.com/?aid=420646578662c19a8e75a3a31ae
Run SFC to check the integrity of all Windows 7 system files:
Click on the Start > Type in search
cmd
Right click cmd at top and Run as Administrator
Type
SFC /scannow at the prompt
(Note: there is a space between SFC and /scannow)
:ar: http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html
Take memtest. Run for 8 passes and test each stick in a know good slot for an additional 6 passes.
:ar: http://www.sevenforums.com/tutorials/105647-ram-test-memtest86.html
Tip
Run these tests overnight
Also ensure all the latest Windows updates are installed.
Post back any observations/results
Cheers
Dave
