please help me! we've used, in this order (i think) norton a.v., spybot s&d, ad-aware se and mcafee on my girlfriends computer, to try to remove windowssearch homepage hijacker, but to no avail.

here is our hijackthis log

Logfile of HijackThis v1.99.0
Scan saved at 10:25:16, on 8/02/05
Platform: Windows 98 Gold (Win9x 4.10.1998)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SNMP.EXE
C:\WINDOWS\CPQDIAG\CPQDFWAG.EXE
C:\WINDOWS\CPQALERT.EXE
C:\WINDOWS\CPQDMI.EXE
C:\WINDOWS\SYSTEM\ATI2PLAB.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCEVTMGR.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCSETMGR.EXE
C:\PROGRAM FILES\NORTON ANTIVIRUS\IWP\NPFMNTOR.EXE
C:\DMI98\WIN32\BIN\WIN32SL.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\WINDOWS\SYSTEM\IRMON.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\ATI2CWXX.EXE
C:\WINDOWS\OPTIONS\CABS\CDOCK.EXE
C:\PROGRAM FILES\COMPAQ\POWERCON ENHANCEMENTS\CPQACDC.EXE
C:\PROGRAM FILES\COMPAQ\HOT KEY SUPPORT SOFTWARE\HKSS.EXE
C:\WINDOWS\RUNDLL32.EXE
C:\PROGRAM FILES\SYNAPTICS\SYNTP\SYNTPLPR.EXE
C:\PROGRAM FILES\SYNAPTICS\SYNTP\SYNTPENH.EXE
C:\WINDOWS\SYSTEM\ATIPTAAB.EXE
C:\WINDOWS\LOADQM.EXE
C:\WINDOWS\SYSTEM\QTTASK.EXE
C:\WINDOWS\SYSTEM\LEXBCES.EXE
C:\PROGRAM FILES\ADWARESOFT\ADV0000.EXE
C:\WINDOWS\SYSTEM\LEXPPS.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCPD-LC\SYMLCSVC.EXE
C:\PROGRAM FILES\COMMON FILES\SYMANTEC SHARED\CCAPP.EXE
C:\PROGRAM FILES\MCAFEE.COM\AGENT\MCAGENT.EXE
C:\PROGRAM FILES\MCAFEE\MCAFEE ANTISPYWARE\MSSCLI.EXE
C:\WINDOWS\RunDLL.exe
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\PROGRAM FILES\WINZIP\WZQKPICK.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\PSTORES.EXE
C:\UNZIPPED\HIJACKTHIS[1]\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.altavista.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = c:\windowssearch\windowssearch.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://jump.altavista.com/avie5/searchpane
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\TOOLS\IESDSG.DLL (file missing)
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [IrMon] IrMon.exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [Ati2cwxx] Ati2cwxx.exe
O4 - HKLM\..\Run: [AtiGart] c:\Ati\Gart\AtiGart.exe
O4 - HKLM\..\Run: [Check Dock] c:\windows\options\cabs\cdock.exe
O4 - HKLM\..\Run: [Hibernation] C:\Program Files\COMPAQ\PWRCON\HIB32.EXE
O4 - HKLM\..\Run: [CPQCalib] C:\Program Files\COMPAQ\PWRCON\CPQCALIB.EXE
O4 - HKLM\..\Run: [CPQAcDc] C:\Program Files\Compaq\PowerCon Enhancements\CPQAcDc.Exe
O4 - HKLM\..\Run: [hkss] C:\Program Files\Compaq\Hot Key Support Software\hkss.exe
O4 - HKLM\..\Run: [Compaq Computer Security] rundll32.exe C:\PROGRA~1\COMPAQ\SECURI~1\SECURE32.CPL,Service
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [AtiPTA] Atiptaab.exe
O4 - HKLM\..\Run: [LexStart] Lexstart.exe
O4 - HKLM\..\Run: [LoadQM] loadqm.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
O4 - HKLM\..\Run: [AdwareSoft] "C:\Program Files\AdwareSoft\adv0000.exe" hide
O4 - HKLM\..\Run: [Symantec Core LC] C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe start
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [NAV CfgWiz] "C:\Program Files\Norton AntiVirus\CfgWiz.exe" /GUID {0D7956A2-5A08-4ec2-A72C-DF8495A66016} /MODE CfgWiz /CMDLINE "REBOOT"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMON.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: [_AntiSpyware] C:\PROGRAM FILES\MCAFEE\MCAFEE ANTISPYWARE\MssCli.exe
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [SNMP agent] SNMP.EXE
O4 - HKLM\..\RunServices: [CPQDFWAG] C:\WINDOWS\cpqdiag\CpqDfwAg.exe
O4 - HKLM\..\RunServices: [CPQALERT] CPQALERT.EXE
O4 - HKLM\..\RunServices: [CPQDMI] CPQDMI.EXE
O4 - HKLM\..\RunServices: [ATIPOLAB] ati2plab.exe
O4 - HKLM\..\RunServices: [ccEvtMgr] "C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe"
O4 - HKLM\..\RunServices: [ccSetMgr] "C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe"
O4 - HKLM\..\RunServices: [NPFMonitor] C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Program Files\Common Files\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKCU\..\Run: [Taskbar Display Controls] RunDLL deskcp16.dll,QUICKRES_RUNDLLENTRY
O4 - Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O4 - User Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O13 - DefaultPrefix: http://htpps.ws?a=adv0000&s=
O13 - WWW Prefix: http://htpps.ws?a=adv0000&s=
O16 - DPF: Win32 Classes - file://C:\WINDOWS\Java\classes\win32ie4.cab
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/sh...4/mcinsctl.cab
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/sh...21/mcgdmgr.cab
O16 - DPF: {EF791A6B-FC12-4C68-99EF-FB9E207A39E6} (McFreeScan Class) - http://download.mcafee.com/molbin/is...26/mcfscan.cab

THANKS TO ANY WHO CAN HELP