I've also been having problems with this computer 100% cpu usage(i.e., slow to a crawl) and ive been removing contaminated software all the time. Thanks in advance. Included is the latest hijack log
Logfile of HijackThis v1.99.1
Scan saved at 12:30:48 PM, on 8/21/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16473)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Windows Defender\MsMpEng.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\spoolsv.exe
C:\WINNT\System32\hkcmd.exe
C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
C:\WINNT\rbskcijA.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\WINNT\system32\ctfmon.exe
C:\Program Files\Kodak\Kodak EasyShare software\bin\EasyShare.exe
C:\WINNT\system32\drivers\KodakCCS.exe
C:\Program Files\Kodak\KODAK Software Updater\7288971\Program\backWeb-7288971.exe
C:\WINNT\System32\ScsiAccess.EXE
C:\WINNT\System32\svchost.exe
C:\Program Files\The Learning Company\Arthur's Kindergarten\UNINSTAL.EXE
C:\WINNT\system32\wuauclt.exe
C:\Temp\ht\hijackthis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?Link...www.yahoo.com/
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 Bar = http://us.rd.yahoo.com/customize/ie/...ch/search.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {4618E474-0999-4913-B4D9-F3610F65DD1C} - (no file)
O2 - BHO: (no name) - {4C82FA84-9186-48A8-B2AA-8FECC7AB998F} - (no file)
O2 - BHO: (no name) - {535A0A57-FDA8-4CCB-A789-B2A05C8EEE08} - \
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
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\2.0.301.7164\swg.dll
O2 - BHO: (no name) - {C6039E6C-BDE9-4de5-BB40-768CAA584FDC} - C:\WINNT\system32\afjpcdtt.dll
O2 - BHO: (no name) - {DCD53738-C4F9-414A-A03C-C7405A4AC844} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\PROGRA~1\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [IgfxTray] C:\WINNT\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINNT\System32\hkcmd.exe
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Program Files\Common Files\Microsoft Shared\Works Shared\WkUFind.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [EPSON Stylus C84 Series (Copy 1)] C:\WINNT\System32\spool\DRIVERS\W32X86\3\E_S4I2D1.EXE /P32 "EPSON Stylus C84 Series (Copy 1)" /O6 "USB001" /M "Stylus C84"
O4 - HKLM\..\Run: [rbskcijA] C:\WINNT\rbskcijA.exe
O4 - HKLM\..\Run: [{4B-B7-7D-DE-ZN}] c:\winnt\system32\mpdsregk.exe SKY009
O4 - HKLM\..\Run: [Windows Defender] "C:\Program Files\Windows Defender\MSASCui.exe" -hide
O4 - HKLM\..\Run: [MemoryManager] rundll32.exe "C:\WINNT\system32\ovrpawej.dll",sitypnow
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [WinPop] C:\Program Files\WinPop\winpop.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINNT\system32\ctfmon.exe
O4 - Startup: TA_Start.lnk = C:\WINNT\system32\dwdsregt.exe
O4 - Global Startup: Creating Keepsakes Scrapbook Designer Event Reminder.lnk = C:\Program Files\Scrapbook Designer\scrapremind.exe
O4 - Global Startup: Forget Me Not.lnk = ?
O4 - Global Startup: Kodak EasyShare software.lnk = C:\Program Files\Kodak\Kodak EasyShare software\bin\EasyShare.exe
O4 - Global Startup: KODAK Software Updater.lnk = C:\Program Files\Kodak\KODAK Software Updater\7288971\Program\backWeb-7288971.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O11 - Options group: [INTERNATIONAL] International*
O12 - Plugin for .spop: C:\Program Files\Internet Explorer\Plugins\NPDocBox.dll
O15 - Trusted Zone: http://www.update.microsoft.com
O15 - Trusted Zone: http://download.windowsupdate.com
O16 - DPF: {0F04992B-E661-4DB9-B223-903AB628225D} (DoMoreRunExe.DoMoreRun) - file://C:\Program Files\gateway\Do More\DoMoreRunExe.CAB
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsof...?1163965781828
O20 - Winlogon Notify: igfxcui - C:\WINNT\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: mlljj - C:\WINNT\system32\mlljj.dll (file missing)
O20 - Winlogon Notify: pmnmlmn - pmnmlmn.dll (file missing)
O20 - Winlogon Notify: vtuts - C:\WINNT\system32\vtuts.dll (file missing)
O20 - Winlogon Notify: WgaLogon - C:\WINNT\SYSTEM32\WgaLogon.dll
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Kodak Camera Connection Software (KodakCCS) - Eastman Kodak Company - C:\WINNT\system32\drivers\KodakCCS.exe
O23 - Service: Intel NCS NetService (NetSvc) - Intel(R) Corporation - C:\Program Files\Intel\NCS\Sync\NetSvc.exe
O23 - Service: ScsiAccess - Unknown owner - C:\WINNT\System32\ScsiAccess.EXE

thanks again