trojans removed but still having problems

I had SDBot, Optix and some other trojans and virus on this computer. removed them but still when I open regedit, TDS-3, Norton AV the programs will be ended immediately. I cannot find what is causing this.

can you review my log please?

Hijack.........
Logfile of HijackThis v1.97.7
Scan saved at 5:30:04 PM, on 4/23/2004
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\svchost.exe
C:\WINNT\system32\LEXBCES.EXE
C:\WINNT\system32\spoolsv.exe
C:\WINNT\system32\LEXPPS.EXE
C:\WINNT\System32\svchost.exe
C:\WINNT\system32\msmsgsvc.exe
C:\WINNT\system32\regsvc.exe
C:\WINNT\system32\MSTask.exe
C:\PROGRA~1\NORTON~1\SPEEDD~1\nopdb.exe
C:\WINNT\System32\WBEM\WinMgmt.exe
C:\WINNT\Explorer.EXE
C:\WINNT\system32\svchost.exe
C:\PROGRA~1\COMMON~1\ADAPTE~1\CreateCD\CREATE~1.EXE
C:\Program Files\TrojanHunter 3.8\TrojanHunter.exe
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Program Files\Internet Explorer\IEXPLORE.EXE
C:\Documents and Settings\Janet Lazo\Desktop\HijackThis.exe
C:\Program Files\Norton SystemWorks\OBC.exe

O2 - BHO: (no name) - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Program Files\Norton SystemWorks\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [Synchronization Manager] mobsync.exe /logon
O4 - HKLM\..\Run: [Microsoft Messenger Service] msmsgsvc.exe
O4 - HKLM\..\Run: [CreateCD50] C:\PROGRA~1\COMMON~1\ADAPTE~1\CreateCD\CREATE~1.EXE -r
O4 - HKLM\..\Run: [ccApp] C:\Program Files\Common Files\Symantec Shared\ccApp.exe
O4 - HKLM\..\Run: [ccRegVfy] C:\Program Files\Common Files\Symantec Shared\ccRegVfy.exe
O4 - HKLM\..\Run: [SymTray - Norton SystemWorks] C:\Program Files\Common Files\Symantec Shared\Symtray.exe SetReg
O4 - HKLM\..\Run: [THGuard] "C:\Program Files\TrojanHunter 3.8\THGuard.exe"
O4 - HKLM\..\RunServices: [Microsoft Messenger Service] msmsgsvc.exe
O4 - HKCU\..\Run: [SpySweeper] C:\Program Files\Webroot\Spy Sweeper\SpySweeper.exe /0
O4 - HKCU\..\Run: [AIM] C:\Program Files\AIM\aim.exe -cnetwait.odl
O4 - HKLM\..\RunOnce: [SymTray - Norton SystemWorks] C:\Program Files\Common Files\Symantec Shared\Symtrdr.exe
O9 - Extra button: AIM (HKLM)
O16 - DPF: {74D05D43-3236-11D4-BDCD-00C04F9A3B61} (HouseCall Control) - http://a840.g.akamai.net/7/840/537/2004033001/housecall.antivirus.com/housecall/xscan53.cab

Thanks.....
paul...