I am new to HijackThis. I don't understand the log. Just want to make sure my computer is running properly and maybe looking for a little help understanding what the good and bad ones are.

Logfile of HijackThis v1.99.1
Scan saved at 7:52:39 PM, on 11/12/2007
Platform: Unknown Windows (WinNT 6.00.1904)
MSIE: Internet Explorer v7.00 (7.00.6000.16546)

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Lexmark 1200 Series\LXCZbmgr.exe
C:\Windows\System32\WLTRAY.EXE
C:\Windows\sttray.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Lexmark 1200 Series\lxczbmon.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Windows\system32\taskeng.exe
C:\Program Files\Windows Mail\WinMail.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Windows Media Player\wmplayer.exe
C:\Windows\system32\DllHost.exe
C:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE
C:\Windows\system32\SearchFilterHost.exe
C:\Users\Steven\AppData\Local\Temp\Temp2_hijackthi s.zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://us.rd.yahoo.com/customize/ie/...ch/search.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://us.rd.yahoo.com/customize/ie/.../www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.ca/ig/dell?hl=en&c...ca&ibd=6070216
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.google.ca/ig/dell?hl=en&c...ca&ibd=6070216
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://us.rd.yahoo.com/customize/ie/.../www.yahoo.com
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://us.rd.yahoo.com/customize/ie/.../www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://us.rd.yahoo.com/customize/ie/.../www.yahoo.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Internet Explorer provided by Dell
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O1 - Hosts: ::1 localhost
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - c:\Program Files\Java\jre1.6.0\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Browser Address Error Redirector - {CA6319C0-31B7-401E-A518-A07C3DB8F777} - C:\Program Files\BAE\BAE.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [Symantec PIF AlertEng] "C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PIFSvc.exe" /a /m "C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\AlertEng.dll"
O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [lxczbmgr.exe] "C:\Program Files\Lexmark 1200 Series\lxczbmgr.exe"
O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\Windows\system32\WLTRAY.exe
O4 - HKLM\..\Run: [SigmatelSysTrayApp] sttray.exe
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [Yahoo! Pager] "C:\PROGRA~1\Yahoo!\MESSEN~1\YAHOOM~1.EXE" -quiet
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: &ieSpell Options - res://C:\Program Files\ieSpell\iespell.dll/SPELLOPTION.HTM
O8 - Extra context menu item: Check &Spelling - res://C:\Program Files\ieSpell\iespell.dll/SPELLCHECK.HTM
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~3\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Lookup on Merriam Webster - file://C:\Program Files\ieSpell\Merriam Webster.HTM
O8 - Extra context menu item: Lookup on Wikipedia - file://C:\Program Files\ieSpell\wikipedia.HTM
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - c:\Program Files\Java\jre1.6.0\bin\npjpi160.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - c:\Program Files\Java\jre1.6.0\bin\npjpi160.dll
O9 - Extra button: ieSpell - {0E17D5B7-9F5D-4fee-9DF6-CA6EE38B68A8} - C:\Program Files\ieSpell\iespell.dll
O9 - Extra 'Tools' menuitem: ieSpell - {0E17D5B7-9F5D-4fee-9DF6-CA6EE38B68A8} - C:\Program Files\ieSpell\iespell.dll
O9 - Extra button: (no name) - {1606D6F9-9D3B-4aea-A025-ED5B2FD488E7} - C:\Program Files\ieSpell\iespell.dll
O9 - Extra 'Tools' menuitem: ieSpell Options - {1606D6F9-9D3B-4aea-A025-ED5B2FD488E7} - C:\Program Files\ieSpell\iespell.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\Office12\REFIEBAR.DLL
O10 - Unknown file in Winsock LSP: c:\windows\system32\nlaapi.dll
O10 - Unknown file in Winsock LSP: c:\windows\system32\napinsp.dll
O11 - Options group: [INTERNATIONAL] International*
O13 - Gopher Prefix:
O16 - DPF: {05D44720-58E3-49E6-BDF6-D00330E511D3} (StagingUI Object) - http://zone.msn.com/binFrameWork/v10...I.cab55579.cab
O16 - DPF: {3BB54395-5982-4788-8AF4-B5388FFDD0D8} (MSN Games – Buddy Invite) - http://zone.msn.com/BinFrameWork/v10...y.cab55579.cab
O16 - DPF: {5736C456-EA94-4AAC-BB08-917ABDD035B3} (ZonePAChat Object) - http://zone.msn.com/binframework/v10...t.cab55579.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (MSN Games - Installer) - http://cdn2.zone.msn.com/binFramewor...o.cab56649.cab
O16 - DPF: {CAC181B0-4D70-402D-B571-C596A47D0CE0} (CBankshotZoneCtrl Class) - http://zone.msn.com/bingame/zpagames...l.cab56649.cab
O16 - DPF: {DA2AA6CF-5C7A-4B71-BC3B-C771BB369937} (MSN Games – Game Communicator) - http://zone.msn.com/binframework/v10...y.cab55579.cab
O18 - Protocol: bwfile-8876480 - {9462A756-7B47-47BC-8C80-C34B9B80B32B} - C:\Program Files\Logitech\Desktop Messenger\8876480\Program\GAPlugProtocol-8876480.dll
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: ms-help - {314111C7-A502-11D2-BBCA-00C04F8EC294} - C:\Program Files\Common Files\Microsoft Shared\Help\hxds.dll
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Filter hijack: text/xml - {807563E5-5146-11D5-A672-00B0D022E945} - C:\PROGRA~1\COMMON~1\MICROS~1\OFFICE12\MSOXMLMF.DL L
O23 - Service: Ati External Event Utility - ATI Technologies Inc. - C:\Windows\system32\Ati2evxx.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Unknown owner - C:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: Symantec Settings Manager (ccSetMgr) - Unknown owner - C:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: Symantec Lic NetConnect service (CLTNetCnService) - Unknown owner - C:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe" /h cltCommon (file missing)
O23 - Service: DSBrokerService - Unknown owner - C:\Program Files\DellSupport\brkrsvc.exe
O23 - Service: @%SystemRoot%\ehome\ehstart.dll,-101 (ehstart) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Symantec IS Password Validation (ISPwdSvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\isPwdSvc.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: LiveUpdate Notice Service Ex (LiveUpdate Notice Ex) - Unknown owner - C:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: LiveUpdate Notice Service - Unknown owner - C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PIFSvc.exe" /m "C:\Program Files\Common Files\Symantec Shared\PIF\{B8E1DD85-8582-4c61-B58F-2F227FCA9A08}\PifEng.dll (file missing)
O23 - Service: lxcz_device - - C:\Windows\system32\lxczcoms.exe
O23 - Service: SQL Server (MSSMLBIZ) (MSSQL$MSSMLBIZ) - Unknown owner - C:\Program Files\Microsoft SQL Server\MSSQL.2\MSSQL\Binn\sqlservr.exe" -sMSSMLBIZ (file missing)
O23 - Service: SQL Server (SQLEXPRESS) (MSSQL$SQLEXPRESS) - Unknown owner - C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\sqlservr.exe" -sSQLEXPRESS (file missing)
O23 - Service: Connection Manager (Nomad) - Unknown owner - C:\Program Files\BVRP Connection Manager\NomadSvr.exe
O23 - Service: @%SystemRoot%\system32\qwave.dll,-1 (QWAVE) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: @%SystemRoot%\system32\seclogon.dll,-7001 (seclogon) - Unknown owner - %windir%\system32\svchost.exe (file missing)
O23 - Service: SigmaTel Audio Service (STacSV) - SigmaTel, Inc. - C:\Program Files\SigmaTel\C-Major Audio\WDM\STacSV.exe
O23 - Service: stllssvr - Unknown owner - C:\Program Files\Common Files\SureThing Shared\stllssvr.exe (file missing)
O23 - Service: Symantec Core LC - Unknown owner - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: Symantec AppCore Service (SymAppCore) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\AppCore\AppSvc32.exe
O23 - Service: Dell Wireless WLAN Tray Service (wltrysvc) - Unknown owner - C:\Windows\System32\WLTRYSVC.EXE
O23 - Service: @%ProgramFiles%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - %ProgramFiles%\Windows Media Player\wmpnetwk.exe (file missing)
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe