Bad_Pool_Header BSOD

Hi - this problem is with my father-in-laws Toshiba laptop.

He was unable to connect to the internet and then the blue screen started popping up every time you try and open a browser window.

It can start in Safe Mode but I have not found a solution that works online - just a lot of information on drivers.

He is not very computer savvie and I noticed some stuff on the computer such as Crawler tool bar - just wondering could it be a virus causing the issue?

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Dump File : Mini012411-10.dmp
Crash Time : 24/01/2011 16:46:52
Bug Check String : BAD_POOL_HEADER
Bug Check Code : 0x00000019
Parameter 1 : 0x00000021
Parameter 2 : 0x87586000
Parameter 3 : 0x00004708
Parameter 4 : 0x1f8d6b42
Caused By Driver : ntkrnlpa.exe
Caused By Address : ntkrnlpa.exe+cdb8d
File Description : NT Kernel & System
Product Name : Microsoft® Windows® Operating System
Company : Microsoft Corporation
File Version : 6.0.6002.18267 (vistasp2_gdr.100608-0458)
Processor : 32-bit
Computer Name :
Full Path : C:\Windows\Minidump\Mini012411-10.dmp
Processors Count : 2
Major Version : 15
Minor Version : 6002
Dump File Size : 138,648
 
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