Yes, I've deleted the cache, I also have McAfee installed - which I'm sure you can tell by the HijackThis log:
Logfile of HijackThis v1.99.1
Scan saved at 1:31:27 PM, on 2/9/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)
Running processes:
C:\WINDOWS.0\System32\smss.exe
C:\WINDOWS.0\system32\winlogon.exe
C:\WINDOWS.0\system32\services.exe
C:\WINDOWS.0\system32\lsass.exe
C:\WINDOWS.0\system32\Ati2evxx.exe
C:\WINDOWS.0\system32\svchost.exe
C:\WINDOWS.0\System32\svchost.exe
C:\WINDOWS.0\system32\spoolsv.exe
C:\Program Files\Common Files\EPSON\EBAPI\eEBSVC.exe
C:\Program Files\Executive Software\Diskeeper\DkService.exe
C:\Program Files\Common Files\EPSON\EBAPI\SAgent2.exe
C:\WINDOWS.0\System32\svchost.exe
c:\program files\mcafee.com\agent\mcdetect.exe
c:\PROGRA~1\mcafee.com\vso\mcshield.exe
c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
C:\WINDOWS.0\system32\Ati2evxx.exe
C:\PROGRA~1\McAfee.com\PERSON~1\MpfService.exe
C:\WINDOWS.0\Explorer.EXE
C:\WINDOWS.0\system32\netdde.exe
C:\WINDOWS.0\system32\svchost.exe
C:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe
C:\PROGRA~1\mcafee.com\agent\mcagent.exe
C:\Program Files\McAfee.com\VSO\mcvsshld.exe
C:\Program Files\McAfee.com\VSO\oasclnt.exe
C:\PROGRA~1\mcafee.com\mps\mscifapp.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\ATI Technologies\ATI.ACE\CLI.exe
c:\progra~1\mcafee.com\vso\mcvsescn.exe
C:\PROGRA~1\McAfee.com\PERSON~1\MpfAgent.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\WinRAR\WinRAR.exe
C:\DOCUME~1\ADMINI~2.LAR\LOCALS~1\Temp\Rar$EX00.391\HijackThis.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
http://www.comcast.net/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: McBrwHelper Class - {227B8AA8-DAF2-4892-BD1D-73F568BCB24E} - c:\program files\mcafee.com\mps\mcbrhlpr.dll
O2 - BHO: McAfee Privacy Service Popup Blocker - {3EC8255F-E043-4cae-8B3B-B191550C2A22} - c:\program files\mcafee.com\mps\popupkiller.dll
O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [MPFExe] C:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe
O4 - HKLM\..\Run: [MCAgentExe] c:\PROGRA~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] c:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\McAfee.com\VSO\mcmnhdlr.exe" /checktask
O4 - HKLM\..\Run: [VirusScan Online] C:\Program Files\McAfee.com\VSO\mcvsshld.exe
O4 - HKLM\..\Run: [OASClnt] C:\Program Files\McAfee.com\VSO\oasclnt.exe
O4 - HKLM\..\Run: [MPSExe] c:\PROGRA~1\mcafee.com\mps\mscifapp.exe /embedding
O4 - HKLM\..\Run: [DiskeeperSystray] "C:\Program Files\Executive Software\Diskeeper\DkIcon.exe"
O4 - HKLM\..\Run: [AtiPTA] atiptaxx.exe
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime
O4 - Global Startup: ATI CATALYST System Tray.lnk = C:\Program Files\ATI Technologies\ATI.ACE\CLI.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O16 - DPF: {0713E8D2-850A-101B-AFC0-4210102A8DA7} (Microsoft ProgressBar Control, version 5.0 (SP2)) -
http://download.mcafee.com/molbin/Shared/ComCtl32/6,0,80,22/ComCtl32.cab
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) -
http://download.mcafee.com/molbin/shared/mcinsctl/4,0,0,101/mcinsctl.cab
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) -
http://download.mcafee.com/molbin/shared/mcgdmgr/1,0,0,26/mcgdmgr.cab
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS.0\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS.0\system32\ati2sgag.exe
O23 - Service: Diskeeper - Executive Software International, Inc. - C:\Program Files\Executive Software\Diskeeper\DkService.exe
O23 - Service: EpsonBidirectionalService - Unknown owner - C:\Program Files\Common Files\EPSON\EBAPI\eEBSVC.exe
O23 - Service: EPSON Printer Status Agent2 (EPSONStatusAgent2) - SEIKO EPSON CORPORATION - C:\Program Files\Common Files\EPSON\EBAPI\SAgent2.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: McAfee WSC Integration (McDetect.exe) - McAfee, Inc - c:\program files\mcafee.com\agent\mcdetect.exe
O23 - Service: McAfee.com McShield (McShield) - McAfee Inc. - c:\PROGRA~1\mcafee.com\vso\mcshield.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - c:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - C:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - C:\PROGRA~1\McAfee.com\PERSON~1\MpfService.exe
I looked through it, didn't really see anything I don't recognize.