Just before Christmas my computer shut down on me while I was in the middle of something. It came back up but it continues to shut down from time to tome. When I try to run Norton - it shuts down every time and does not allow the virus scan to run. Below is my Hijack Log:
Logfile of HijackThis v1.99.1
Scan saved at 2:00:08 PM, on 1/6/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16574)

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\system32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccSvcHst.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\CTsvcCDA.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\MDM.EXE
C:\WINDOWS\system32\HPZipm12.exe
C:\WINDOWS\system32\slserv.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\TSIRCSRV.EXE
C:\WINDOWS\TSI32\tsircusr.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://us.rd.yahoo.com/customize/yco...search/ie.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://us.rd.yahoo.com/customize/yco.../www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://securityresponse.symantec.com.../fix_homepage/
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://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
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://my.netzero.net/s/signup?r=qui...d=BBY0904FUP10
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = 127.0.0.1
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,C:\WINDO WS\TSI32\tsircusr.exe
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4EFB-9B51-7695ECA05670} - C:\Program Files\Yahoo!\Companion\Installs\cpn2\yt.dll
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {1E8A6170-7264-4D0F-BEAE-D42A53123C75} - C:\Program Files\Common Files\Symantec Shared\coShared\Browser\1.7\NppBho.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\2.0.301.7164\sw g.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn2\yt.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: Show Norton Toolbar - {90222687-F593-4738-B738-FBEE9C7B26DF} - C:\Program Files\Common Files\Symantec Shared\coShared\Browser\1.7\UIBHO.dll
O4 - HKLM\..\Run: [ccApp] C:\Program Files\Common Files\Symantec Shared\ccApp.exe
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O8 - Extra context menu item: &AOL Toolbar search - res://C:\Program Files\AOL Toolbar\toolbar.dll/SEARCH.HTML
O8 - Extra context menu item: &Search - ?p=ZK
O8 - Extra context menu item: &Webshots Photo Search - res://C:\Program Files\Webshots\WSToolbar4IE.dll/MENUSEARCH.HTM
O8 - Extra context menu item: Display All Images with Full Quality - res://C:\Program Files\NetZero\qsacc\appres.dll/228
O8 - Extra context menu item: Display Image with Full Quality - res://C:\Program Files\NetZero\qsacc\appres.dll/227
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: (no name) - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Program Files\Common Files\Microsoft Shared\Encarta Search Bar\ENCSBAR.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
O11 - Options group: [INTERNATIONAL] International*
O12 - Plugin for .UVR: C:\Program Files\Internet Explorer\Plugins\NPUPano.dll
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://us.dl1.yimg.com/download.yaho...st_current.cab
O16 - DPF: {56393399-041A-4650-94C7-13DFCB1F4665} (PSFormX Control) - http://www3.ca.com/securityadvisor/p...n/pestscan.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsof...?1171042773500
O16 - DPF: {89F9AA82-9B9F-4D1C-A637-33388558FAAC} (AutoImport1_5_9.GW_Import_Control) - http://www.nkcsd.k12.mo.us/egms/cale...cuweb1_5_9.cab
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://webcam.cheel.clarkson.edu/act...CamControl.cab
O16 - DPF: {BB383206-6DA1-4E80-B62A-3DF950FCC697} (Create & Print ActiveX Plug-in) - http://ak.imgag.com/imgag/cp/install/AxCtp2.cab
O16 - DPF: {EF0DBA6F-43CE-4B26-9808-2AB38FA0DB29} (MSN Money Ticker) - http://fdl.msn.com/public/investor/v13/ticker.cab
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
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 ccCommon (file missing)
O23 - Service: COM Host (comHost) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\VAScanner\comHost.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTsvcCDA.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Phoenix VCD Service (PhnxVCDService) - Phoenix Technologies Ltd. - C:\WINDOWS\System32\PhnxCDSvr.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: SmartLinkService (SLService) - - C:\WINDOWS\SYSTEM32\slserv.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: TSI Remote Control Service (TSIRCSRV) - LapLink, Inc. - C:\WINDOWS\System32\TSIRCSRV.EXE