My friends computer is really messed up and ive been working on it all day. Can someone take a loog at the hijackthis file and tell me what to fix

Logfile of HijackThis v1.99.1
Scan saved at 6:30:02 PM, on 7/23/2006
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:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\Logi_MwX.Exe
C:\Program Files\Xerox\NWWia\XrxFTPLt.exe
C:\windows\system32\xyBi22V.exe
C:\Program Files\HP\HP Software Update\HPWuSchd.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\windows\system32\xyBi22V.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\Program Files\AIM\aim.exe
C:\Program Files\Common Files\AOL\TopSpeed\2.0\aoltsmon.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\Program Files\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\wanmpsvc.exe
C:\WINDOWS\system32\wwSecure.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Documents and Settings\JW\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.comcast.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://www.comcast.com/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
O2 - BHO: Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: AIM Search - {40D41A8B-D79B-43d7-99A7-9EE0F344C385} - C:\Program Files\AIM Toolbar\AIMBar.dll
O3 - Toolbar: AOL Toolbar - {4982D40A-C53B-4615-B15B-B5B5E98D167C} - C:\Program Files\AOL Toolbar\toolbar.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Program Files\Common Files\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [NeroCheck] C:\WINDOWS\System32\\NeroCheck.exe
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [Logitech Utility] Logi_MwX.Exe
O4 - HKLM\..\Run: [XeroxScannerDaemon] C:\Program Files\Xerox\NWWia\XrxFTPLt.exe
O4 - HKLM\..\Run: [PCShield] regsvr32 /s "C:\WINDOWS\System32\sfg_4b0c.dll"
O4 - HKLM\..\Run: [xyBi22V] C:\windows\system32\xyBi22V.exe
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\HP\HP Software Update\HPWuSchd.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [Si4n.exe] C:\windows\temp\Si4n.exe
O4 - HKLM\..\Run: [xyBi22V.exe] C:\windows\system32\xyBi22V.exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [IPHSend] C:\Program Files\Common Files\AOL\IPHSend\IPHSend.exe
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\RunOnce: [Pest Cleaning] "C:\Documents and Settings\All Users\Application Data\AOL\UserProfiles\All Users\antiSpyware\dat\ppclean.exe" "clean" "silent" "wintools" "2"
O4 - HKCU\..\Run: [AIM] C:\Program Files\AIM\aim.exe -cnetwait.odl
O4 - HKCU\..\Run: [PCShield] regsvr32 /s "C:\WINDOWS\System32\sfg_4b0c.dll"
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: &AIM Search - res://C:\Program Files\AIM Toolbar\AIMBar.dll/aimsearch.htm
O8 - Extra context menu item: &AOL Toolbar search - res://C:\Program Files\AOL Toolbar\toolbar.dll/SEARCH.HTML
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://c:\program files\google\GoogleToolbar2.dll/cmwordtrans.html
O8 - Extra context menu item: Backward Links - res://c:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: Similar Pages - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://c:\program files\google\GoogleToolbar2.dll/cmtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_04\bin\npjpi150_04.dll
O9 - Extra button: AOL Toolbar - {4982D40A-C53B-4615-B15B-B5B5E98D167C} - C:\Program Files\AOL Toolbar\toolbar.dll
O9 - Extra 'Tools' menuitem: AOL Toolbar - {4982D40A-C53B-4615-B15B-B5B5E98D167C} - C:\Program Files\AOL Toolbar\toolbar.dll
O9 - Extra button: AIM - {AC9E2541-2814-11d5-BC6D-00B0D0A1DE45} - C:\Program Files\AIM\aim.exe
O9 - Extra button: PartyPoker.com - {B7FE5D70-9AA2-40F1-9C6B-12A255F085E1} - C:\Program Files\PartyPoker\PartyPoker.exe (file missing)
O9 - Extra 'Tools' menuitem: PartyPoker.com - {B7FE5D70-9AA2-40F1-9C6B-12A255F085E1} - C:\Program Files\PartyPoker\PartyPoker.exe (file missing)
O9 - Extra button: (no name) - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - (no file)
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: {238F6F83-B8B4-11CF-8771-00A024541EE3} (Citrix ICA Client) - http://www.classlink2000.com/sites/FILES/wfica.cab
O16 - DPF: {4A3CF76B-EC7A-405D-A67D-8DC6B52AB35B} (QDiagAOLCCUpdateObj Class) - http://aolcc.aol.com/computercheckup/qdiagcc.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.co...?1093383359531
O16 - DPF: {94B82441-A413-4E43-8422-D49930E69764} (TLIEFlashObj Class) - https://echat.us.dell.com/Media/Visi.../TLIEFlash.CAB
O16 - DPF: {9FC5238F-12C4-454F-B1B5-74599A21DE47} (Webshots Photo Uploader) - http://community.webshots.com/html/WSPhotoUploader.CAB
O16 - DPF: {C2FCEF52-ACE9-11D3-BEBD-00105AA9B6AE} (Symantec RuFSI Registry Information Class) - http://security.symantec.com/sscv6/S.../bin/cabsa.cab
O16 - DPF: {CA034DCC-A580-4333-B52F-15F98C42E04C} (Downloader Class) - https://www.stopzilla.com/_download/...ler/dwnldr.cab
O16 - DPF: {CE28D5D2-60CF-4C7D-9FE8-0F47A3308078} (ActiveDataInfo Class) - https://www-secure.symantec.com/tech...a/SymAData.dll
O16 - DPF: {E77C0D62-882A-456F-AD8F-7C6C9569B8C7} (ActiveDataObj Class) - https://www-secure.symantec.com/tech...ActiveData.cab
O16 - DPF: {FE0BD779-44EE-4A4B-AA2E-743C63F2E5E6} (IWinAmpActiveX Class) - http://pdl.stream.aol.com/downloads/...ampx_en_dl.cab
O18 - Protocol: bw+0 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw+0s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw-0 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw-0s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw00 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw00s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw10 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw10s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw20 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw20s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw30 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw30s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw40 - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw40s - {71CD000A-5359-462D-BA9C-A4148587EAFA} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\BWPlugProtocol-8876480.dll
O18 - Protocol: bw50 - {71CD000A-5359-462D-BA9C-A4148587EAFA} -