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Windows 7: BSOD bad pool header

01 May 2010   #1

Windows 8.1 Pro x64
BSOD bad pool header

I was just browsing the web when I the entire system freezed for 10 secs and got this BSOD
Programs that were open:

My System SpecsSystem Spec

01 May 2010   #2
Microsoft MVP


It most probably points to your Kaspersky security program (kl1.sys). Tdx.sys is also listed in the stack text - which points to a networking component of this error (which is why it happened while using IE/FF). Please do the following:
Anti-Virus Removal:
Please do the following:
- download a free antivirus for testing purposes: Free AntiVirus
- uninstall the Kaspersky from your system (you can reinstall it, if so desired, when we're done troubleshooting)
- remove any remnants of Kaspersky using this free tool: Removal tool for Kaspersky Lab products
- IMMEDIATELY install and update the free antivirus
- check to see if this fixes the BSOD's
Summary of the BSOD:
Built by: 7600.16539.amd64fre.win7_gdr.100226-1909
Debug session time: Sat May  1 07:31:07.021 2010 (GMT-4)
System Uptime: 0 days 4:42:17.707
BugCheck 19, {3, fffffa800a39dd80, 0, fffffa800a39dd80}
*** WARNING: Unable to verify timestamp for kl1.sys
*** ERROR: Module load completed but symbols could not be loaded for kl1.sys
Probably caused by : Pool_Corruption ( nt!ExFreePool+75b )
My System SpecsSystem Spec
01 May 2010   #3

Windows 8.1 Pro x64

Just did a repair-install of KIS2010
Will post back if PC BSODs again
My System SpecsSystem Spec


 BSOD bad pool header

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