every time i start up windows xp, internet explorer window will automatically start up by itself. also, windows firewall has been disabled, task manager, and registry editor also have been disable. have tried various anti spyware but no luck. i'm running e-trust, but i guess it slipped through some how.Logfile of HijackThis v1.99.1
Scan saved at 4:03:24 PM, on 5/31/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\Program Files\Sygate\SPF\smc.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\ISafe.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\Explorer.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\VetMsg.exe
C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVTray.exe
C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVRID.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\system32\wuauclt.exe
C:\WINDOWS\tsc.exe
C:\PROGRA~1\IZArc\IZArc.exe
C:\PROGRA~1\IZArc\IZArc.exe
C:\DOCUME~1\Kevin\LOCALS~1\Temp\ARC18\HijackThis.exe

R3 - URLSearchHook: (no name) - _{CFBFAE00-17A6-11D0-99CB-00C04FD64497} - (no file)
F2 - REG:system.ini: Shell=Explorer.exe C:\WINDOWS\system32\scvhost.exe
F3 - REG:win.ini: load=C:\WINDOWS\system32\scvhost.exe
F3 - REG:win.ini: run=C:\WINDOWS\system32\scvhost.exe
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_06\bin\jusched.exe
O4 - HKLM\..\Run: [UpdateManager] "C:\Program Files\Common Files\Sonic\Update Manager\sgtray.exe" /r
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.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: [CaAvTray] "C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVTray.exe"
O4 - HKLM\..\Run: [CAVRID] "C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\CAVRID.exe"
O4 - HKLM\..\Run: [Generic Host Process] C:\WINDOWS\system32\scvhost.exe
O4 - HKLM\..\Run: [SmcService] C:\PROGRA~1\Sygate\SPF\smc.exe -startgui
O4 - HKLM\..\RunServices: [Generic Host Process] C:\WINDOWS\system32\scvhost.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Digital Line Detect.lnk = ?
O7 - HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System, DisableRegedit=1
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O16 - DPF: {04E214E5-63AF-4236-83C6-A7ADCBF9BD02} (HouseCall Control) - http://housecall60.trendmicro.com/housecall/xscan60.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1141263693078
O16 - DPF: {74CD40EA-EF77-4BAD-808A-B5982DA73F20} - http://yax-download.yazzle.net/YazzleActiveX.cab?refid=1162
O16 - DPF: {7B297BFD-85E4-4092-B2AF-16A91B2EA103} (WScanCtl Class) - http://www3.ca.com/securityadvisor/virusinfo/webscan.cab
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O23 - Service: CAISafe - Computer Associates International, Inc. - C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\ISafe.exe
O23 - Service: dlbt_device - Dell - C:\WINDOWS\system32\dlbtcoms.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: Intel NCS NetService (NetSvc) - Intel(R) Corporation - C:\Program Files\Intel\PROSetWired\NCS\Sync\NetSvc.exe
O23 - Service: Windows Firewall/Internet Connection Sharing (ICS) (SharedAccess) - Unknown owner - C:\WINDOWS\C:\WINDOWS\system32\svchost.exe (file missing)
O23 - Service: Sygate Personal Firewall (SmcService) - Sygate Technologies, Inc. - C:\Program Files\Sygate\SPF\smc.exe
O23 - Service: TuneUp WinStyler Theme Service (TUWinStylerThemeSvc) - TuneUp Software GmbH - C:\Program Files\TuneUp Utilities 2006\WinStylerThemeSvc.exe
O23 - Service: VET Message Service (VETMSGNT) - Computer Associates International, Inc. - C:\Program Files\CA\eTrust EZ Armor\eTrust EZ Antivirus\VetMsg.exe