I am running Windows 2000.

At times the system becomes unstable, I cannot restart or shutdown (says I don't have authority)
Other times system resources are low

Norton scans are up to date

Logfile of HijackThis v1.99.1
Scan saved at 1:09:29 PM, on 8/19/2006
Platform: Windows 2000 SP4 (WinNT 5.00.2195)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINNT\System32\smss.exe
C:\WINNT\system32\csrss.exe
C:\WINNT\system32\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\Ati2evxx.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\spoolsv.exe
C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\WINNT\System32\CTsvcCDA.exe
C:\WINNT\System32\svchost.exe
C:\PROGRA~1\Symantec\NORTON~1\GHOSTS~2.EXE
C:\Program Files\Norton AntiVirus\navapsvc.exe
C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
C:\Program Files\Iomega\REV System Software\RevUDF.exe
C:\WINNT\system32\MSTask.exe
C:\Program Files\Spyware Doctor\sdhelp.exe
C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\WINNT\system32\stisvc.exe
C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\System32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINNT\system32\Ati2evxx.exe
C:\WINNT\Explorer.EXE
C:\Program Files\Windows Defender\MsMpEng.exe
C:\WINNT\system32\devldr32.exe
C:\WINNT\system32\ntvdm.exe
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\Iomega\REV System Software\imiconxp.exe
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\OPLIMIT\ocrawr32.exe
C:\WINNT\system32\HPZipm12.exe
C:\Program Files\Symantec\LiveUpdate\AUpdate.exe
C:\My Download Files\Hijackthis\HijackThis.exe
C:\Program Files\Internet Explorer\iexplore.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://www.sureseeker.com/search.htm
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.sureseeker.com/search.htm
F3 - REG:win.ini: load=C:\OPLIMIT\OCRAWARE.EXE
O2 - BHO: PCTools Site Guard - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - C:\PROGRA~1\SPYWAR~1\tools\iesdsg.dll
O2 - BHO: PCTools Browser Monitor - {B56A7D7D-6927-48C8-A975-17DF180C71AC} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O2 - BHO: BrowserHelper Class - {EBCDDA60-2A68-11D3-8A43-0060083CFB9C} - C:\WINNT\System32\nzdd.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINNT\System32\msdxm.ocx
O3 - Toolbar: Copernic Agent - {F2E259E8-0FC8-438C-A6E0-342DD80FA53E} - C:\Program Files\Copernic Agent\CopernicAgentExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [AtiPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [Speed racer] C:\Program Files\Creative\PlayCenter\CTSRReg.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] "C:\Program Files\Adaptec\Easy CD Creator 5\DirectCD\DirectCD.exe"
O4 - HKLM\..\Run: [Iomega ImIconXP] C:\Program Files\Iomega\REV System Software\imiconxp.exe
O4 - HKLM\..\Run: [SSC_UserPrompt] C:\Program Files\Common Files\Symantec Shared\Security Center\UsrPrmpt.exe
O4 - HKLM\..\Run: [TkBellExe] "C:\Program Files\Common Files\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [Windows Defender] "C:\Program Files\Windows Defender\MSASCui.exe" -hide
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - Startup: Screen Saver Control.lnk = C:\WINNT\FSScrCtl.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: HP Image Zone Fast Start.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqthb08.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: &ieSpell Options - res://C:\Program Files\ieSpell\iespell.dll/SPELLOPTION.HTM
O8 - Extra context menu item: Add to filterlist (WebWasher) - http://-Web.Washer-/ie_add
O8 - Extra context menu item: Check &Spelling - res://C:\Program Files\ieSpell\iespell.dll/SPELLCHECK.HTM
O8 - Extra context menu item: Search Using Copernic Agent - C:\Program Files\Copernic Agent\Web\SearchExt.htm
O9 - Extra button: Trace - {04849C74-016E-4a43-8AA5-1F01DE57F4A1} - C:\Program Files\VisualRoute\vrie.dll
O9 - Extra 'Tools' menuitem: VisualRoute Trace - {04849C74-016E-4a43-8AA5-1F01DE57F4A1} - C:\Program Files\VisualRoute\vrie.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: (no name) - {193B17B0-7C9F-4D5B-AEAB-8D3605EFC084} - C:\PROGRA~1\COPERN~2\COPERN~1.EXE
O9 - Extra 'Tools' menuitem: Launch Copernic Agent - {193B17B0-7C9F-4D5B-AEAB-8D3605EFC084} - C:\PROGRA~1\COPERN~2\COPERN~1.EXE
O9 - Extra button: Spyware Doctor - {2D663D1A-8670-49D9-A1A5-4C56B4E14E84} - C:\PROGRA~1\SPYWAR~1\tools\iesdpb.dll
O9 - Extra button: Copernic Agent - {688DC797-DC11-46A7-9F1B-445F4F58CE6E} - C:\PROGRA~1\COPERN~2\COPERN~1.EXE
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINNT\web\related.htm
O12 - Plugin for .bcf: C:\Program Files\Internet Explorer\Plugins\NPBelv32.dll
O16 - DPF: {00191E43-49C2-48E2-A548-8F702D75622A} - https://conference.oracle.com/imtapp/res/jar/cnsload.cab
O16 - DPF: {072D3F2E-5FB6-11D3-B461-00C04FA35A21} (CFForm Runtime) - http://www.antiqueaccess.com/CFIDE/classes/CFJava.cab
O16 - DPF: {0FF3E97F-433D-11D2-B31A-00A0C9B135DB} (CoDetectDigitalRiver Class) - http://ebot.digitalriver.com/v2.0-doc/dlwi….4.2.block2.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {197AB1D7-A7DD-4C86-A938-1FCC0DB21B85} (DMProxyCtl Class) - http://dm.cometsystems.com/dm/dm_286.cab
O16 - DPF: {200B3EE9-7242-4EFD-B1E4-D97EE825BA53} (VerifyGMN Class) - http://h20270.www2.hp.com/ediags/gmn/insta…staller_gmn.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedC…bin/AvSniff.cab
O16 - DPF: {3451DEDE-631F-421C-8127-FD793AFC6CC8} (ActiveDataInfo Class) - https://www-secure.symantec.com/techsupp/as…rl/SymAData.cab
O16 - DPF: {44990200-3C9D-426D-81DF-AAB636FA4345} (Symantec SmartIssue) - https://www-secure.symantec.com/techsupp/as…trl/tgctlsi.cab
O16 - DPF: {44990301-3C9D-426D-81DF-AAB636FA4345} (Symantec Script Runner Class) - https://www-secure.symantec.com/techsupp/as…trl/tgctlsr.cab
O16 - DPF: {47F591A2-8783-11D2-8343-00A0C945A819} (RFXPlayer Class) - http://download.richfx.com/player/mediaver…st/twophase.cab
O16 - DPF: {4CC35DAD-40EA-4640-ACC2-A1A3B6FB3E06} (NeoterisSetup Control) - https://remote.scana.com/dana-cached/setup/NeoterisSetup.cab
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://software-dl.real.com/2351a9ea2f8d6a…ip/RdxIE601.cab
O16 - DPF: {6318E0AB-2E93-11D1-B8ED-00608CC9A71F} (VoilaXctl Class) - http://www.belarc.com/Programs/advisor.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/…b?1142965149122
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedC…n/bin/cabsa.cab
O16 - DPF: {713AE1D4-897C-11D2-B2A0-00C04F94B4D5} (WUCorpSuppControl Class) - http://corporate.windowsupdate.microsoft.com/en/wucorpct.CAB
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://guest:[removed]
O16 - DPF: {9A57B18E-2F5D-11D5-8997-00104BD12D94} (compid Class) - http://support.gateway.com/support/serialharvest/gwCID.CAB
O16 - DPF: {A0EAC162-A012-4AD8-B2E1-D5A0BBBCDA51} (PopupSh Control) - http://206.222.26.90/display/PopupSh.ocx
O16 - DPF: {A8F2B9BD-A6A0-486A-9744-18920D898429} (ScorchPlugin Class) - http://www.sibelius.com/download/software/…tiveXPlugin.cab
O16 - DPF: {AAD68411-5B98-11D3-9B52-00001C0007B3} (EonX 3.0.0) - http://www.realityobjects.com/download/3_0_2/eonx.cab
O16 - DPF: {AB86CE53-AC9F-449F-9399-D8ABCA09EC09} (Get_ActiveX Control) - https://h17000.www1.hp.com/ewfrf-JAVA/Secur…loadManager.ocx
O16 - DPF: {E5F5D008-DD2C-4D32-977D-1A0ADF03058B} (JuniperSetup Control) - https://remote.scana.com/dana-cached/setup/JuniperSetup.cab
O16 - DPF: {E7D2588A-7FB5-47DC-8830-832605661009} (Live Collaboration) - https://livesc02.custhelp.com/6030-b463h-io…l/java/RntX.cab
O16 - DPF: {EB387D2F-E27B-4D36-979E-847D1036C65D} (QDiagHUpdateObj Class) - http://h30043.www3.hp.com/aio/en/check/qdiagh.cab?326
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} (IMDownloader Class) - http://www2.incredimail.com/contents/setup…er/imloader.cab
O20 - Winlogon Notify: nwprovau - C:\WINNT\SYSTEM32\nwprovau.dll
O23 - Service: Ati HotKey Poller - Unknown owner - C:\WINNT\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINNT\system32\ati2sgag.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINNT\System32\CTsvcCDA.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin) - VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: GhostStartService - Symantec Corporation - C:\PROGRA~1\Symantec\NORTON~1\GHOSTS~2.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Program Files\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Program Files\Norton AntiVirus\IWP\NPFMntor.exe
O23 - Service: PictureTaker - Unknown owner - c:\fixit\pt\PCTKRNT.SYS (file missing)
O23 - Service: Pml Driver HPZ12 - HP - C:\WINNT\system32\HPZipm12.exe
O23 - Service: RevUDFService - Iomega Corp - C:\Program Files\Iomega\REV System Software\RevUDF.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Program Files\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\COMMON~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: PC Tools Spyware Doctor (SDhelper) - PC Tools Research Pty Ltd - C:\Program Files\Spyware Doctor\sdhelp.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe