My computer is a mess. I have lots of troubles. can anyone help. result of hijack this is
Logfile of HijackThis v1.99.1
Scan saved at 8:48:54 PM, on 12/9/2007
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\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Webroot\Spy Sweeper\SpySweeperUI.exe
C:\PROGRA~1\COMMON~1\AOL\ACS\AOLacsd.exe
C:\Program Files\Common Files\AOL\Loader\aolload.exe
C:\Program Files\Dell Network Assistant\hnm_svc.exe
C:\PROGRA~1\McAfee\MSC\mcmscsvc.exe
c:\program files\common files\mcafee\mna\mcnasvc.exe
c:\PROGRA~1\COMMON~1\mcafee\mcproxy\mcproxy.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\Program Files\McAfee\MPF\MPFSrv.exe
C:\Program Files\McAfee\MSK\MskSrver.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\WINDOWS\system32\PSIService.exe
C:\Program Files\SiteAdvisor\6172\SAService.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\UAService7.exe
C:\WINDOWS\wanmpsvc.exe
c:\PROGRA~1\mcafee.com\agent\mcagent.exe
C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe
C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\WLService.exe
C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\WUSB54GS.exe
C:\WINDOWS\System32\svchost.exe
C:\PROGRA~1\McAfee\VIRUSS~1\mcsysmon.exe
C:\Program Files\SiteAdvisor\6172\SiteAdv.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Messenger\msmsgs.exe
C:\PROGRA~1\McAfee\VIRUSS~1\mcshield.exe
C:\Program Files\Common Files\AOL\1167011314\ee\aolsoftware.exe
C:\Program Files\Webroot\Spy Sweeper\SSU.EXE
C:\WINDOWS\system32\LVComsX.exe
C:\Program Files\AIM6\aim6.exe
C:\Program Files\AIM6\aolsoftware.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Program Files\Outlook Express\msimn.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\DOCUME~1\MARYME~1\LOCALS~1\Temp\Temporary Directory 1 for HijackThis.zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Page_URL =
R3 - URLSearchHook: (no name) - {0579B4B6-0293-4d73-B02D-5EBB0BA0F0A2} - C:\Program Files\AskSBar\SrchAstt\1.bin\A2SRCHAS.DLL
O3 - Toolbar: Norton Internet Security 2006 - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Program Files\Common Files\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O3 - Toolbar: Comcast Toolbar - {4E7BD74F-2B8D-469E-93BE-BE2DF4D9AE29} - C:\PROGRA~1\COMCAS~1\COMCAS~1.DLL
O3 - Toolbar: McAfee SiteAdvisor - {0BF43445-2F28-4351-9252-17FE6E806AA0} - C:\Program Files\SiteAdvisor\6172\SiteAdv.dll
O3 - Toolbar: Ask Toolbar - {F0D4B239-DA4B-4daf-81E4-DFEE4931A4AA} - C:\Program Files\AskSBar\bar\1.bin\ASKSBAR.DLL
O4 - HKLM\..\Run: [Host Process] C:\WINDOWS\Fonts\svchost.exe
O4 - HKLM\..\Run: [NvCplDaemon] "RUNDLL32.EXE" C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [f8393591] rundll32.exe "C:\WINDOWS\system32\liudqnog.dll",b
O4 - HKLM\..\Run: [SpySweeper] C:\Program Files\Webroot\Spy Sweeper\SpySweeperUI.exe /startintray
O4 - HKCU\..\Run: [ccleaner] "C:\Program Files\CCleaner\ccleaner.exe" /AUTO
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Aim6] "C:\Program Files\AIM6\aim6.exe" /d locale=en-US ee://aol/imApp
O8 - Extra context menu item: &Google Search - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsearch.html
O8 - Extra context menu item: &Search -
O8 - Extra context menu item: &Translate English Word - res://C:\Program Files\Google\GoogleToolbar1.dll/cmwordtrans.html
O8 - Extra context menu item: Backward Links - res://C:\Program Files\Google\GoogleToolbar1.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://C:\Program Files\Google\GoogleToolbar1.dll/cmcache.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MI1933~1\OFFICE11\EXCEL.EXE/3000
O8 - Extra context menu item: Similar Pages - res://C:\Program Files\Google\GoogleToolbar1.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://C:\Program Files\Google\GoogleToolbar1.dll/cmtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MI1933~1\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
O16 - DPF: {05CA9FB0-3E3E-4B36-BF41-0E3A5CAA8CD8} (Office Genuine Advantage Validation Tool) -
O18 - Protocol: siteadvisor - {3A5DC592-7723-4EAA-9EE6-AF4222BCF879} - C:\Program Files\SiteAdvisor\6172\SiteAdv.dll
O18 - Filter: text/html - {2AB289AE-4B90-4281-B2AE-1F4BB034B647} - (no file)
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: McAfee Application Installer Cleanup (001849119725030 (0018491197250308mcinstcleanup) - McAfee, Inc. - C:\WINDOWS\TEMP\001849~1.EXE

and this

O23 - Service: Ad-Aware 2007 Service (aawservice) - Lavasoft AB - C:\Program Files\Lavasoft\Ad-Aware 2007\aawservice.exe
O23 - Service: Amazon Unbox Video Service (ADVService) - Amazon.com - C:\Program Files\Amazon\Amazon Unbox Video\ADVWindowsClientService.exe
O23 - Service: AOL Connectivity Service (AOL ACS) - AOL LLC - C:\PROGRA~1\COMMON~1\AOL\ACS\AOLacsd.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Internet Security Password Validation (ccISPwdSvc) - Unknown owner - C:\Program Files\Norton Internet Security\ccPwdSvc.exe (file missing)
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: COM Host (comHost) - Unknown owner - C:\Program Files\Norton Internet Security\comHost.exe (file missing)
O23 - Service: DomainService - Unknown owner - C:\WINDOWS\system32\qfvpwvgh.exe (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Advanced Networking Service (hnmsvc) - SingleClick Systems - C:\Program Files\Dell Network Assistant\hnm_svc.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: MBackMonitor - McAfee - C:\Program Files\McAfee\MBK\MBackMonitor.exe
O23 - Service: McAfee Services (mcmscsvc) - McAfee, Inc. - C:\PROGRA~1\McAfee\MSC\mcmscsvc.exe
O23 - Service: McAfee Network Agent (McNASvc) - McAfee, Inc. - c:\program files\common files\mcafee\mna\mcnasvc.exe
O23 - Service: McAfee Scanner (McODS) - McAfee, Inc. - C:\PROGRA~1\McAfee\VIRUSS~1\mcods.exe
O23 - Service: McAfee Proxy Service (McProxy) - McAfee, Inc. - c:\PROGRA~1\COMMON~1\mcafee\mcproxy\mcproxy.exe
O23 - Service: McAfee Real-time Scanner (McShield) - McAfee, Inc. - C:\PROGRA~1\McAfee\VIRUSS~1\mcshield.exe
O23 - Service: McAfee SystemGuards (McSysmon) - McAfee, Inc. - C:\PROGRA~1\McAfee\VIRUSS~1\mcsysmon.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee, Inc. - C:\Program Files\McAfee\MPF\MPFSrv.exe
O23 - Service: McAfee Anti-Spam Service (MSK80Service) - McAfee, Inc. - C:\Program Files\McAfee\MSK\MskSrver.exe
O23 - Service: Intel NCS NetService (NetSvc) - Intel(R) Corporation - C:\Program Files\Intel\PROSetWired\NCS\Sync\NetSvc.exe
O23 - Service: Norton Protection Center Service (NSCService) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Console\NSCSRVCE.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: ProtexisLicensing - Unknown owner - C:\WINDOWS\system32\PSIService.exe
O23 - Service: SiteAdvisor Service - Unknown owner - C:\Program Files\SiteAdvisor\6172\SAService.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: SecuROM User Access Service (V7) (UserAccess7) - Unknown owner - C:\WINDOWS\system32\UAService7.exe
O23 - Service: WAN Miniport (ATW) Service (WANMiniportService) - America Online, Inc. - C:\WINDOWS\wanmpsvc.exe
O23 - Service: Webroot Spy Sweeper Engine (WebrootSpySweeperService) - Webroot Software, Inc. - C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe
O23 - Service: WUSB54GSSVC - Unknown owner - C:\Program Files\Linksys Wireless-G USB Wireless Network Monitor\WLService.exe" "WUSB54GS.exe (file missing)

Remove the following entries and restart your computer

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = TOOLBAR - Comcast.net
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = Learn about Dell's notebooks, desktops, monitors, printers plus computer electronics & accessories.
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = TOOLBAR - Comcast.net

R3 - URLSearchHook: (no name) - {0579B4B6-0293-4d73-B02D-5EBB0BA0F0A2} - C:\Program Files\AskSBar\SrchAstt\1.bin\A2SRCHAS.DLL

O4 - HKLM\..\Run: [Host Process] C:\WINDOWS\Fonts\svchost.exe

O4 - HKLM\..\Run: [f8393591] rundll32.exe "C:\WINDOWS\system32\liudqnog.dll",b

O8 - Extra context menu item: &Search - http://km .....

O18 - Filter: text/html - {2AB289AE-4B90-4281-B2AE-1F4BB034B647} - (no file)

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This is the status of the virus sweep I just now performed. Please help!

Trojan Horse found: trojan-downloader-waverevenue (Threat marked as Always Remove)
Virus found: Troj/Agent-GGQ (Threat marked as Always Remove)
Spy Cookie found: atlas dmt cookie (Threat marked as Always Remove)
Spy Cookie found: atwola cookie (Threat marked as Always Remove)
Spy Cookie found: specificclick.com cookie (Threat marked as Always Remove)
Spy Cookie found: questionmarket cookie (Threat marked as Always Remove)
Spy Cookie found: 2o7.net cookie (Threat marked as Always Remove)
Adware found: internet speed monitor
Behavioral found: Mal/HckPk-D
Virus found: Troj/Virtum-Gen (Threat marked as Always Remove)