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Windows 7: BSOD randomly occurs, error PFN_LIST_CORRUPT

16 Jul 2012   #1

Windows 7 Home Premium 64-bit Service Pack 1 / Ubuntu 12.10 64-bit
BSOD randomly occurs, error PFN_LIST_CORRUPT

Hello, I recently purchased some more memory for my PC because one of the modules was corrupt causing it to bluescreen constantly. I replaced the 2x2GB modules with 4x2GB modules of DDR3 RAM, and it's been fine for weeks. However in the last few days it has been bluescreening at random times, with the error PFN_LIST_CORRUPT on the bluescreen. The appropriate diagnosis files are attached (in a ZIP file).

My System SpecsSystem Spec
17 Jul 2012   #2
Microsoft MVP


Please start with the following free, bootable diagnostics to help rule out some of the more common errors: Initial Hardware Diagnostics In particular, please run the Memory Diagnostic as described in it's page (due to the new memory in your system).

If using a USB mouse, feel free to ignore the PS2 mouse error in MSINFO32.

Logitech camera drivers date from 2008 - they must updated. If updates aren't available, then the software/drivers must be uninstalled and the camera physically removed from the system.

Acer Empowering Technology drivers date from 2009. Either update or uninstall these programs.

Realtek Audio drivers date from 2009. Update these please

Kaspersky software dates from 2011, please update to the latest version.

Your video drivers are fairly old (Feb 2012). Please update from the nVidia website (if available): World Leader in Visual Computing Technologies | NVIDIA

If the above steps don't stop the BSOD's, please zip up and upload any new memory dumps with your next post - and we'll see what we can figure out from there.

The following info is just FYI, I've already addressed the issues that I saw in the above paragraphs

- Further info on BSOD error messages available at:
- Info on how to troubleshoot BSOD's (DRAFT):
- How I do it:


GEARAspiWDM.sys Mon May 18 08:17:04 2009 (4A1151C0)
LV302V64.SYS    Sat Jul 26 11:09:08 2008 (488B3E14)
LVUSBS64.sys    Sat Jul 26 11:06:36 2008 (488B3D7C)
MpFilter.sys    Fri Mar 09 06:05:26 2012 (4F59E3F6)
NTIDrvr.sys     Tue Mar 24 23:09:39 2009 (49C9A073)
RTKVHD64.sys    Tue Nov 17 07:13:00 2009 (4B02934C)
UBHelper.sys    Mon Apr 27 04:48:19 2009 (49F57153)
amdxata.sys     Fri Mar 19 12:18:18 2010 (4BA3A3CA)
dump_iaStor.sys Mon Oct 17 18:54:08 2011 (4E9CB210)
e1y62x64.sys    Thu Oct 20 14:20:55 2011 (4EA06687)
iaStor.sys      Mon Oct 17 18:54:08 2011 (4E9CB210)
kl1.sys         Fri Mar 04 04:20:03 2011 (4D70AEC3)
kl2.sys         Fri Mar 04 04:17:31 2011 (4D70AE2B)
klif.sys        Wed Apr 20 06:34:31 2011 (4DAEB6B7)
klim6.sys       Thu Mar 10 09:36:02 2011 (4D78E1D2)
klmouflt.sys    Mon Nov 02 11:26:06 2009 (4AEF081E)
nvlddmkm.sys    Wed Feb 29 13:04:52 2012 (4F4E68C4)
speedfan.sys    Fri Mar 18 12:08:46 2011 (4D83838E)



Loading Dump File [C:\Users\John\_jcgriff2_\dbug\__Kernel__\071612-19531-01.dmp]
Built by: 7601.17835.amd64fre.win7sp1_gdr.120503-2030
Debug session time: Mon Jul 16 11:00:23.448 2012 (UTC - 4:00)
System Uptime: 0 days 0:11:55.182
BugCheck 4E, {7, 1d0796, 98b8d, 0}
*** WARNING: Unable to verify timestamp for win32k.sys
*** ERROR: Module load completed but symbols could not be loaded for win32k.sys
Probably caused by : ntkrnlmp.exe ( nt! ?? ::FNODOBFM::`string'+16b66 )
FAILURE_BUCKET_ID:  X64_0x4E_7_nt!_??_::FNODOBFM::_string_+16b66
Bugcheck code 0000004E
Arguments 00000000`00000007 00000000`001d0796 00000000`00098b8d 00000000`00000000
BiosVersion = P01-A1
BiosReleaseDate = 08/31/2009
SystemManufacturer = Acer
SystemProductName = Aspire M5802/M3802
CPUID:        "Intel(R) Core(TM)2 Quad CPU    Q8300  @ 2.50GHz"
MaxSpeed:     2500
CurrentSpeed: 2500

My System SpecsSystem Spec
17 Jul 2012   #3

Windows 7 Home Premium 64-bit Service Pack 1 / Ubuntu 12.10 64-bit


The Kaspersky software is already upgraded to 2012, not sure why it's showing up as 2011. Don't actually know if the drivers make a difference. This is the first time I've had a crash since when I replaced my memory at the beginning of this month (after one of the memory modules died I was running on 1x2GB instead of 2) and the last time I updated the drivers was then. I don't think drivers are responsible as I'm not doing anything I haven't been for the last few months. I can't upgrade the sound drivers as updating them causes them to not work properly (namely the stereo mix record function, which I need to dual cast for my YouTube). I'll update my video drivers though and post if it happens again. Also, memory diagnostics are not reliable, as I found out when my memory died before, Memtest does not stress the memory as well as Windows does. It detected no errors but it only stopped crashing after I took out the faulty module. Thanks for the info though,

My System SpecsSystem Spec
17 Jul 2012   #4
Microsoft MVP


Your system, your choice.
Good luck to you.
My System SpecsSystem Spec

 BSOD randomly occurs, error PFN_LIST_CORRUPT

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