Thank you for your time.
I keep getting a warning that says the virtual memory is low and should be expanded. After "OK" the system pretty well locks up. I've updated the system, but the complete update was interupted by the above warning.
System began running very slow yesterday and warnings appeared last night.
Two attempts at Spybot were also interupted, but Norton seemed to have run okay.

Here is the log, but I may be using an older version of Hijack This.

Logfile of HijackThis v1.99.1
Scan saved at 9:26:01 AM, on 2/24/2008
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\winlogon.exe
C:\WINNT\system32\services.exe
C:\WINNT\system32\lsass.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\system32\LEXBCES.EXE
C:\WINNT\system32\spoolsv.exe
C:\WINNT\system32\LEXPPS.EXE
C:\Program Files\NavNT\defwatch.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\System32\svchost.exe
C:\Program Files\NavNT\rtvscan.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\WINNT\system32\stisvc.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\system32\mspmspsv.exe
C:\WINNT\system32\svchost.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\MsgSys.EXE
C:\WINNT\system32\wuauclt.exe
C:\WINNT\System32\igfxtray.exe
C:\WINNT\System32\hkcmd.exe
C:\Program Files\NavNT\vptray.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\Lexmark 4200 Series\lxbmbmgr.exe
C:\Program Files\Common Files\Roxio Shared\Project

Selector\projselector.exe
C:\Program Files\Lexmark 4200 Series\lxbmbmon.exe
C:\Program Files\Roxio\Easy CD Creator 6\DragToDisc\DrgToDsc.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\RxMon.exe
C:\Program Files\TrueAssistant\TrueAssistant.exe
C:\Program Files\Roxio\Easy CD Creator 6\AudioCentral\Playlist.exe
C:\WINNT\system32\ZoneLabs\vsmon.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\drwtsn32.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\My Downloads\hijackthis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL

= http://www.siscom.net
O2 - BHO: AcroIEHlprObj Class -

{06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - c:\program

files\Adobe\Acrobat Reader 5\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} -

C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} -

C:\WINNT\System32\msdxm.ocx
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [IgfxTray] C:\WINNT\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINNT\System32\hkcmd.exe
O4 - HKLM\..\Run: [vptray] C:\Program Files\NavNT\vptray.exe
O4 - HKLM\..\Run: [3c1807pd] C:\WINNT\SYSTEM32\3cmlink.exe

RunServices \Device\3cpipe-3c1807pd
O4 - HKLM\..\Run: [ConMgr.exe] "C:\Program Files\EarthLink

5.0\ConMgr.exe"
O4 - HKLM\..\Run: [UpdateMgr.exe] "C:\Program Files\EarthLink

5.0\updatemgr.exe" /NOCM
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program

Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone

Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [Lexmark 4200 Series] "C:\Program Files\Lexmark

4200 Series\lxbmbmgr.exe"
O4 - HKLM\..\Run: [projselector] "C:\Program Files\Common Files\Roxio

Shared\Project Selector\projselector.exe" -r
O4 - HKLM\..\Run: [RoxioEngineUtility] "C:\Program Files\Common

Files\Roxio Shared\System\EngUtil.exe"
O4 - HKLM\..\Run: [RoxioDragToDisc] "C:\Program Files\Roxio\Easy CD

Creator 6\DragToDisc\DrgToDsc.exe"
O4 - HKLM\..\Run: [RoxioAudioCentral] "C:\Program Files\Roxio\Easy CD

Creator 6\AudioCentral\RxMon.exe"
O4 - HKCU\..\Run: [Yahoo! Pager] C:\Program

Files\Yahoo!\Messenger\ypager.exe -quiet
O4 - Startup: TrueAssistant.lnk = C:\Program

Files\TrueAssistant\TrueAssistant.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program

Files\Microsoft Office\Office10\OSA.EXE
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel

present
O8 - Extra context menu item: &ieSpell Options - res://C:\My

Downloads\ieSpell\iespell.dll/SPELLOPTION.HTM
O8 - Extra context menu item: &NeoTrace It! -

C:\PROGRA~1\NEOTRA~1\NTXcontext.htm
O8 - Extra context menu item: Check &Spelling - res://C:\My

Downloads\ieSpell\iespell.dll/SPELLCHECK.HTM
O8 - Extra context menu item: E&xport to Microsoft Excel -

res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: NeoTrace It! -

{9885224C-1217-4c5f-83C2-00002E6CEF2B} -

C:\PROGRA~1\NEOTRA~1\NTXtoolbar.htm (HKCU)
O12 - Plugin for .bcf: C:\Program Files\Internet

Explorer\Plugins\NPBelv32.dll
O12 - Plugin for .spop: C:\Program Files\Internet

Explorer\Plugins\NPDocBox.dll
O16 - DPF: {0E5F0222-96B9-11D3-8997-00104BD12D94} (PCPitstop Utility)

- http://www.pcpitstop.com/pcpitstop/PCPitStop.CAB
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter

Class) - http://files.member.yahoo.com/dl/installs/sbc/yinst.cab
O16 - DPF: {62475759-9E84-458E-A1AB-5D2C442ADFDE} -

http://a1540.g.akamai.net/7/1540/52/200305….info.apple.com

/abarth/us/win/QuickTimeInstaller.exe
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl

Class) -

http://www.update.microsoft.com/windowsupd…trols/en/x86/cl

ient/wuweb_site.cab?1193050516671
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control)

-

http://a840.g.akamai.net/7/840/537/2004061…l.trendmicro.co

m/housecall/xscan53.cab
O16 - DPF: {9522B3FB-7A2B-4646-8AF6-36E7F593073C} -

http://a19.g.akamai.net/7/19/7125/4047/ftp…/v3123/cpbrkpie

.cab
O16 - DPF: {A7EA8AD2-287F-11D3-B120-006008C39542} (CBSTIEPrint Class)

- http://offers.e-centives.com/cif/download/bin/actxcab.cab
O16 - DPF: {E06E2E99-0AA1-11D4-ABA6-0060082AA75C} (GpcContainer

Class) - https://lhh.webex.com/client/latest/webex/ieatgpc.cab
O16 - DPF: {FFFFFFFF-CACE-BABE-BABE-00AA0055595A} -

http://www.trueswitch.com/sbc/TrueInstallSBC.exe
O20 - Winlogon Notify: igfxcui - C:\WINNT\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: NavLogon - C:\WINNT\System32\NavLogon.dll
O23 - Service: DefWatch - Symantec Corporation - C:\Program

Files\NavNT\defwatch.exe
O23 - Service: Logical Disk Manager Administrative Service (dmadmin)

- VERITAS Software Corp. - C:\WINNT\System32\dmadmin.exe
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc.

- C:\WINNT\system32\LEXBCES.EXE
O23 - Service: Norton AntiVirus Client (Norton AntiVirus Server) -

Symantec Corporation - C:\Program Files\NavNT\rtvscan.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs LLC -

C:\WINNT\system32\ZoneLabs\vsmon.exe