CPU Usage at 100% even when No Programs Running

Heres the Hijack this log, any help greatly appreciated: Logfile of HijackThis v1.99.1 Scan saved at 3:52:22 PM, on 9/28/2007 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\csrss.exe C:\WINDOWS\system32\winlogon.exe C:\WINDOWS\system32\services.exe C:\WINDOWS\system32\lsass.exe C:\WINDOWS\system32\Ati2evxx.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\System32\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\System32\wltrysvc.exe C:\WINDOWS\System32\bcmwltry.exe C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe C:\WINDOWS\system32\Ati2evxx.exe C:\WINDOWS\Explorer.EXE C:\WINDOWS\system32\spoolsv.exe C:\WINDOWS\ehome\ehtray.exe C:\Program Files\Synaptics\SynTP\SynTPLpr.exe C:\Program Files\Synaptics\SynTP\SynTPEnh.exe C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe C:\Program Files\McAfee.com\VSO\oasclnt.exe C:\PROGRA~1\mcafee.com\agent\mcagent.exe C:\PROGRA~1\McAfee\SPAMKI~1\MskAgent.exe C:\WINDOWS\system32\WLTRAY.exe C:\PROGRA~1\mcafee.com\vso\mcvsshld.exe C:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe c:\progra~1\mcafee.com\vso\mcvsescn.exe C:\Program Files\Lavasoft\Ad-Aware 2007\AAWTray.exe C:\Program Files\HP\HP Software Update\HPWuSchd2.exe C:\Program Files\BigFix\bigfix.exe C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe C:\PROGRA~1\McAfee.com\PERSON~1\MpfAgent.exe C:\Program Files\AntiVir PersonalEdition Classic\sched.exe C:\WINDOWS\eHome\ehRecvr.exe C:\WINDOWS\eHome\ehSched.exe c:\program files\mcafee.com\agent\mcdetect.exe c:\PROGRA~1\mcafee.com\vso\mcshield.exe C:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe c:\PROGRA~1\mcafee.com\agent\mctskshd.exe C:\PROGRA~1\McAfee\SPAMKI~1\MSKSrvr.exe C:\Program Files\HP\Digital Imaging\Product Assistant\bin\hprblog.exe C:\WINDOWS\system32\svchost.exe C:\WINDOWS\ehome\mcrdsvc.exe C:\WINDOWS\eHome\ehmsas.exe C:\PROGRA~1\McAfee.com\PERSON~1\MpfService.exe C:\WINDOWS\system32\dllhost.exe C:\WINDOWS\System32\alg.exe C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe C:\Program Files\iPod\bin\iPodService.exe C:\Program Files\iTunes\iTunesHelper.exe C:\Program Files\LimeWire\LimeWire.exe C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe C:\WINDOWS\system32\taskmgr.exe C:\Program Files\Mozilla Firefox\firefox.exe C:\Program Files\Uniblue\RegistryBooster 2\RegistryBooster.exe C:\Program Files\AntiVir PersonalEdition Classic\avscan.exe C:\Program Files\AntiVir PersonalEdition Classic\avscan.exe C:\Documents and Settings\Owner.LaptopofJillian\Desktop\hijackthis_sfx.exe C:\Program Files\HijackThis\HijackThis.exe R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.gateway.com/g/sidepanel.html?Ch=Retail&Br=GTW&Loc=ENG_US&Sys=PTB&M=MX6445 R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.gateway.com/g/startpage.html?Ch=Retail&Br=GTW&Loc=ENG_US&Sys=PTB&M=MX6445 R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.gateway.com/g/startpage.html?Ch=Retail&Br=GTW&Loc=ENG_US&Sys=PTB&M=MX6445 R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.gateway.com/g/startpage.html?Ch=Retail&Br=GTW&Loc=ENG_US&Sys=PTB&M=MX6445 R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.gateway.com/g/sidepanel.html?Ch=Retail&Br=GTW&Loc=ENG_US&Sys=PTB&M=MX6445 R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://www.gateway.com/g/startpage.html?Ch=Retail&Br=GTW&Loc=ENG_US&Sys=PTB&M=MX6445 O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll O2 - BHO: McAfee Anti-Phishing Filter - {41D68ED8-4CFF-4115-88A6-6EBB8AF19000} - c:\program files\mcafee\spamkiller\mcapfbho.dll O2 - BHO: Browser Address Error Redirector - {CA6319C0-31B7-401E-A518-A07C3DB8F777} - c:\windows\system32\BAE.dll O3 - Toolbar: McAfee VirusScan - {BA52B914-B692-46c4-B683-905236F6F655} - c:\progra~1\mcafee.com\vso\mcvsshl.dll O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe 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: [Reminder] %WINDIR%\Creator\Remind_XP.exe O4 - HKLM\..\Run: [Recguard] %WINDIR%\SMINST\RECGUARD.EXE O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe O4 - HKLM\..\Run: [VSOCheckTask] "C:\PROGRA~1\McAfee.com\VSO\mcmnhdlr.exe" /checktask O4 - HKLM\..\Run: [OASClnt] C:\Program Files\McAfee.com\VSO\oasclnt.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: [MSKAGENTEXE] C:\PROGRA~1\McAfee\SPAMKI~1\MskAgent.exe O4 - HKLM\..\Run: [MSKDetectorExe] C:\PROGRA~1\McAfee\SPAMKI~1\MSKDetct.exe /startup O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\WINDOWS\system32\WLTRAY O4 - HKLM\..\Run: [VirusScan Online] c:\PROGRA~1\mcafee.com\vso\mcvsshld.exe O4 - HKLM\..\Run: [MPFExe] C:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe O4 - HKLM\..\Run: [avgnt] "C:\Program Files\AntiVir PersonalEdition Classic\avgnt.exe" /min O4 - HKLM\..\Run: [AAWTray] C:\Program Files\Lavasoft\Ad-Aware 2007\AAWTray.exe O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe" O4 - HKCU\..\Run: [updateMgr] C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe AcRdB7_0_0 O4 - HKCU\..\Run: [Aim6] "C:\Program Files\AIM6\aim6.exe" /d locale=en-US ee://aol/imApp O4 - HKCU\..\Run: [Uniblue RegistryBooster 2] C:\Program Files\Uniblue\RegistryBooster 2\RegistryBooster.exe /S O4 - Global Startup: BigFix.lnk = C:\Program Files\BigFix\bigfix.exe O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000 O9 - Extra button: (no name) - {39FD89BF-D3F1-45b6-BB56-3582CCF489E1} - c:\program files\mcafee\spamkiller\mcapfbho.dll O9 - Extra 'Tools' menuitem: McAfee Anti-Phishing Filter - {39FD89BF-D3F1-45b6-BB56-3582CCF489E1} - c:\program files\mcafee\spamkiller\mcapfbho.dll O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\system32\Shdocvw.dll 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 O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe O23 - Service: AntiVir PersonalEdition Classic Scheduler (AntiVirScheduler) - Avira GmbH - C:\Program Files\AntiVir PersonalEdition Classic\sched.exe O23 - Service: AntiVir PersonalEdition Classic Guard (AntiVirService) - Avira GmbH - C:\Program Files\AntiVir PersonalEdition Classic\avguard.exe O23 - Service: Apple Mobile Device - Apple, Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.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 O23 - Service: McAfee SpamKiller Server (MskService) - McAfee Inc. - C:\PROGRA~1\McAfee\SPAMKI~1\MSKSrvr.exe O23 - Service: Broadcom Wireless LAN Tray Service (wltrysvc) - Unknown owner - C:\WINDOWS\System32\wltrysvc.exe