Can you please analyze the hijack this log and tell me what i need to do if you can please:

Logfile of HijackThis v1.99.1
Scan saved at 16:14:42, on 29/09/2008
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

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\brsvc01a.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\faceback.exe
C:\Program Files\Messenger\msmsgs.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\BullGuard Ltd\BullGuard\bullguard.exe
C:\Program Files\BullGuard Ltd\BullGuard\BullGuardUpdate.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\internet explorer\iexplore.exe
C:\Program Files\internet explorer\iexplore.exe
C:\Documents and Settings\mclovin\Local Settings\Temp\Temporary Directory 2 for hijackthis.zip\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://http//Pure%20H2O
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\4.1.509.6972\swg.dll
O2 - BHO: HelloWorldBHO - {D88E1558-7C2D-407A-953A-C044F5607CEA} - C:\Program Files\Mjcore\Mjcore.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Program Files\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKLM\..\Run: [zBrowser Launcher] C:\Program Files\Logitech\iTouch\iTouch.exe
O4 - HKLM\..\Run: [Java (VM) v6.9.3] C:\WINDOWS\System32\jdk-1_5_0_19-windows-i393-pp\jav.bat
O4 - HKLM\..\Run: [runner1] C:\WINDOWS\faceback.exe 61A847B5BBF72813329B39577AFF01F0B3E35B6638993F4661AA4EBD86D67C56389B284534F310
O4 - HKLM\..\Run: [BullGuard] "C:\Program Files\BullGuard Ltd\BullGuard\bullguard.exe" -boot
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [BullGuard] "C:\Program Files\BullGuard Ltd\BullGuard\bullguard.exe"
O4 - HKCU\..\Run: [Java (VM) v6.9.3] C:\WINDOWS\System32\jdk-1_5_0_19-windows-i393-pp\jav.bat
O9 - Extra button: Researcher - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Program Files\Common Files\Microsoft Shared\Reference 2001\EROProj.dll
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O10 - Unknown file in Winsock LSP: c:\program files\common files\pc tools\lsp\pctlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\pc tools\lsp\pctlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\pc tools\lsp\pctlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\common files\pc tools\lsp\pctlsp.dll
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {5ED80217-570B-4DA9-BF44-BE107C0EC166} (Windows Live Safety Center Base Module) - http://cdn.scan.onecare.live.com/resource/download/scanner/wlscbase5036.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://www.update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1214834417078
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1220639965171
O23 - Service: BullGuard LiveUpdate (BgLiveSvc) - BullGuard Ltd. - C:\Program Files\BullGuard Ltd\BullGuard\BullGuardUpdate.exe
O23 - Service: BrSplService (Brother XP spl Service) - brother Industries Ltd - C:\WINDOWS\System32\brsvc01a.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe