About:Blank.....the continuing problem......

I have ran the updates on cwshredder, adware, spybot with no fixes? They always seem to find the same things. This about:blank is hard to shake. here is a hijackthis log. hopefully someone out there can figure this out. thanks

Logfile of HijackThis v1.97.7
Scan saved at 11:18:13 AM, on 4/19/2004
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\spoolsv.exe
C:\WINDOWS\System32\Ati2evxx.exe
C:\WINDOWS\system32\cisvc.exe
C:\WINDOWS\System32\CTsvcCDA.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\DSentry.exe
C:\Program Files\Common Files\Dell\EUSW\Support.exe
C:\WINDOWS\BCMSMMSG.exe
C:\Program Files\AIM95\aim.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\Program Files\Dell\Support\Alert\bin\NotifyAlert.exe
C:\Program Files\Creative\SBLive\Diagnostics\diagent.exe
C:\WINDOWS\system32\cidaemon.exe
C:\WINDOWS\system32\cidaemon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Documents and Settings\J Vaughn\Desktop\Payton\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\System32\nagcfa.dll/sp.html (obfuscated)
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\System32\nagcfa.dll/sp.html (obfuscated)
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\System32\nagcfa.dll/sp.html (obfuscated)
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = res://C:\WINDOWS\System32\nagcfa.dll/sp.html (obfuscated)
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = res://C:\WINDOWS\System32\nagcfa.dll/sp.html (obfuscated)
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = res://C:\WINDOWS\System32\nagcfa.dll/sp.html (obfuscated)
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O2 - BHO: (no name) - {03D9A493-1016-4A1D-A18B-4D81A230BE61} - C:\WINDOWS\System32\nagcfa.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {FDD3B846-8D59-4ffb-8758-209B6AD74ACC} - C:\Program Files\Microsoft Money\System\mnyviewer.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\ycomp5_3_12_0.dll
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [DVDSentry] C:\WINDOWS\System32\DSentry.exe
O4 - HKLM\..\Run: [MCAgentExe] C:\Program Files\McAfee.com\Agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] C:\PROGRA~1\McAfee.com\Agent\McUpdate.exe
O4 - HKLM\..\Run: [VirusScan Online] c:\PROGRA~1\mcafee.com\vso\mcvsshld.exe
O4 - HKLM\..\Run: [DwlClient] C:\Program Files\Common Files\Dell\EUSW\Support.exe
O4 - HKLM\..\Run: [diagent] "C:\Program Files\Creative\SBLive\Diagnostics\diagent.exe" startup
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [ATIModeChange] Ati2mdxx.exe
O4 - HKLM\..\Run: [BCMSMMSG] BCMSMMSG.exe
O4 - HKCU\..\Run: [AIM] C:\Program Files\AIM95\aim.exe -cnetwait.odl
O4 - HKCU\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - Startup: PowerReg Scheduler V3.exe
O4 - Global Startup: Digital Line Detect.lnk = ?
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office10\EXCEL.EXE/3000
O9 - Extra 'Tools' menuitem: Sun Java Console (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O9 - Extra button: AIM (HKLM)
O9 - Extra button: Real.com (HKLM)
O9 - Extra button: MoneySide (HKLM)
O16 - DPF: Video Poker - http://download.games.yahoo.com/games/clients/y/vpt0_x.cab
O16 - DPF: Yahoo! Cribbage - http://download.games.yahoo.com/games/clients/y/it1_x.cab
O16 - DPF: Yahoo! Dominoes - http://download.games.yahoo.com/games/clients/y/dot4_x.cab
O16 - DPF: Yahoo! Gin - http://download.games.yahoo.com/games/clients/y/nt0_x.cab
O16 - DPF: Yahoo! Hearts - http://download.games.yahoo.com/games/clients/y/ht0_x.cab
O16 - DPF: Yahoo! Poker - http://download.games.yahoo.com/games/clients/y/pt0_x.cab
O16 - DPF: Yahoo! Spades - http://download.games.yahoo.com/games/clients/y/st2_x.cab
O16 - DPF: {02BCC737-B171-4746-94C9-0D8A0B2C0089} (Microsoft Office Template and Media Control) - http://office.microsoft.com/templates/ieawsdc.cab
O16 - DPF: {0C568603-D79D-11D2-87A7-00C04FF158BB} (BrowseFolderPopup Class) - http://download.mcafee.com/molbin/Shared/MGBrwFld.cab
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://us.dl1.yimg.com/download.yahoo.com/dl/installs/yinst0401.cab
O16 - DPF: {33564D57-0000-0010-8000-00AA00389B71} - http://download.microsoft.com/download/F/6/E/F6E491A6-77E1-4E20-9F5F-94901338C922/wmv9VCM.CAB
O16 - DPF: {41F17733-B041-4099-A042-B518BB6A408C} - http://a1540.g.akamai.net/7/1540/52...pple.com/borris/us/win/QuickTimeInstaller.exe
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/shared/mcinsctl/en-us/4,0,0,81/mcinsctl.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.com/CAB/x86/unicode/iuctl.CAB?38077.4463773148
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/shared/mcgdmgr/en-us/1,0,0,19/mcgdmgr.cab
O16 - DPF: {C2FCEF52-ACE9-11D3-BEBD-00105AA9B6AE} (Symantec RuFSI Registry Information Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab