Occasionally I am experiencing an odd behaviour whilst my browser is open - I get directed to a web site without doing anything - I have downloaded hijackthis and include my log for analysis - many thanks!!
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Logfile of HijackThis v1.99.1
Scan saved at 17:18:36, on 24/06/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16473)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsgk32st.exe
C:\Program Files\F-Secure Internet Security\Common\FSMA32.EXE
C:\Program Files\F-Secure Internet Security\Anti-Virus\FSGK32.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\inetsrv\inetinfo.exe
C:\Program Files\F-Secure Internet Security\Common\FSMB32.EXE
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\F-Secure Internet Security\Common\FCH32.EXE
C:\Program Files\F-Secure Internet Security\Common\FAMEH32.EXE
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsqh.exe
C:\Program Files\Canon\CAL\CALMAIN.exe
C:\Program Files\F-Secure Internet Security\Anti-Virus\fssm32.exe
C:\Program Files\F-Secure Internet Security\FSAUA\program\fsaua.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\F-Secure Internet Security\FWES\Program\fsdfwd.exe
C:\Program Files\F-Secure Internet Security\FSAUA\program\fsus.exe
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsav32.exe
C:\Program Files\Java\jre1.6.0_01\bin\jusched.exe
C:\Program Files\Picasa2\PicasaMediaDetector.exe
C:\Program Files\Napster\napster.exe
C:\Program Files\F-Secure Internet Security\Common\FSM32.EXE
C:\Program Files\ScanSoft\OmniPageSE4.0\OpwareSE4.exe
C:\Program Files\SecCopy\SecCopy.exe
C:\Program Files\F-Secure Internet Security\FSGUI\fsguidll.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\TuneUp Utilities 2007\MemOptimizer.exe
C:\Program Files\Windows Media Player\WMPNSCFG.exe
C:\Program Files\Logitech\SetPoint\SetPoint.exe
C:\Program Files\Common Files\Logitech\KHAL\KHALMNPR.EXE
C:\Program Files\Mozilla Thunderbird\thunderbird.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Documents and Settings\TheOne\My Documents\DownLoads\Security\hijackthis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.meshcomputers.com
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Canon Easy Web Print Helper - {68F9551E-0411-48E4-9AAF-4BC42A6A46BE} - C:\Program Files\Canon\Easy-WebPrint\EWPBrowseLoader.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O2 - BHO: IE DevToolbar BHO - {CC7E636D-39AA-49b6-B511-65413DA137A1} - C:\Program Files\Microsoft\Internet Explorer Developer Toolbar\IEDevToolbar.dll
O3 - Toolbar: Easy-WebPrint - {327C2873-E90D-4c37-AA9D-10AC9BABA46C} - C:\Program Files\Canon\Easy-WebPrint\Toolband.dll
O4 - HKLM\..\Run: [Ptipbmf] rundll32.exe ptipbmf.dll,SetWriteCacheMode
O4 - HKLM\..\Run: [NVMixerTray] "C:\Program Files\NVIDIA Corporation\NvMixer\NVMixerTray.exe"
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.6.0_01\bin\jusched.exe"
O4 - HKLM\..\Run: [Picasa Media Detector] C:\Program Files\Picasa2\PicasaMediaDetector.exe
O4 - HKLM\..\Run: [NapsterShell] C:\Program Files\Napster\napster.exe /systray
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\F-Secure Internet Security\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\F-Secure Internet Security\FSGUI\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Program Files\Common Files\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [OpwareSE4] "C:\Program Files\ScanSoft\OmniPageSE4.0\OpwareSE4.exe"
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKCU\..\Run: [Second Copy] "C:\Program Files\SecCopy\SecCopy.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [TuneUp MemOptimizer] "C:\Program Files\TuneUp Utilities 2007\MemOptimizer.exe" autostart
O4 - HKCU\..\Run: [updateMgr] "C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe" AcRdB7_0_9 -reboot 1
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Logitech SetPoint.lnk = C:\Program Files\Logitech\SetPoint\SetPoint.exe
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O9 - Extra button: Run WinHTTrack - {36ECAF82-3300-8F84-092E-AFF36D6C7040} - C:\Program Files\WinHTTrack\WinHTTrackIEBar.dll
O9 - Extra 'Tools' menuitem: Launch WinHTTrack - {36ECAF82-3300-8F84-092E-AFF36D6C7040} - C:\Program Files\WinHTTrack\WinHTTrackIEBar.dll
O9 - Extra button: IE Developer Toolbar - {48FFE35F-36D9-44bd-A6CC-1D34414EAC0D} - C:\Program Files\Microsoft\Internet Explorer Developer Toolbar\IEDevToolbar.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\f-secure internet security\fsps\program\fslsp.dll
O11 - Options group: [INTERNATIONAL] International*
O14 - IERESET.INF: START_PAGE_URL=http://www.meshcomputers.com
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload2.macromedia.com/get/shoc...ash/swflash.cab
O16 - DPF: {D821DC4A-0814-435E-9820-661C543A4679} (CRLDownloadWrapper Class) - http://drmlicense.one.microsoft.com/crlupdate/en/crlocx.ocx
O17 - HKLM\System\CCS\Services\Tcpip\..\{80B18D55-DEB3-4098-AC77-AB871838CC87}: NameServer = 62.241.163.200 62.241.162.201
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: Canon Camera Access Library 8 (CCALib8) - Canon Inc. - C:\Program Files\Canon\CAL\CALMAIN.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\Anti-Virus\fsgk32st.exe
O23 - Service: F-Secure Automatic Update Agent (FSAUA) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\FSAUA\program\fsaua.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\Common\FSMA32.EXE
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe