In the last few days my computer is working very slowly.
I've installed symantec antivirus a week ago instead of nod32.

This is my log file:

Logfile of HijackThis v1.99.1
Scan saved at 20:01:26, on 07/10/2006
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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:\Program Files\Common Files\Symantec Shared\ccSetMgr.exe
C:\Program Files\Common Files\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\System32\drivers\CDAC11BA.EXE
C:\PROGRA~1\SYMANT~2\SYMANT~1\DefWatch.exe
C:\PROGRA~1\SYMANT~2\SYMANT~1\Rtvscan.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\Program Files\Symantec AntiVirus\SavRoam.exe
C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Intel\Intel® Active Monitor\imonnt.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
C:\Program Files\Analog Devices\SoundMAX\Smax4.exe
C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
C:\WINDOWS\TBPanel.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnf.exe
C:\Program Files\MSN Apps\Updater\01.02.3000.1001\he-il\msnappau.exe
C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
C:\WINDOWS\System32\RUNDLL32.EXE
C:\Program Files\Common Files\Symantec Shared\ccApp.exe
C:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
C:\WINDOWS\System32\wuauclt.exe
C:\PROGRA~1\SYMANT~2\SYMANT~1\vptray.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpobnz08.exe
C:\Program Files\WinZip\WZQKPICK.EXE
C:\Program Files\ISS\DesktopProtection\blackice.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpoevm08.exe
C:\WINDOWS\System32\HPZipm12.exe
C:\Program Files\Hewlett-Packard\Digital Imaging\Bin\hpoSTS08.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
D:\Downloads\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.start.co.il/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.down.co.il/cgi-bin/index
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.5000.1021\he-il\msntb.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.5000.1021\he-il\msntb.dll
O3 - Toolbar: (no name) - {86227D9C-0EFE-4f8a-AA55-30386A3F5686} - (no file)
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\SoundMAX\SMax4PNP.exe
O4 - HKLM\..\Run: [SoundMAX] "C:\Program Files\Analog Devices\SoundMAX\Smax4.exe" /tray
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [Gainward] C:\WINDOWS\TBPanel.exe /A
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [msnappau] "C:\Program Files\MSN Apps\Updater\01.02.3000.1001\he-il\msnappau.exe"
O4 - HKLM\..\Run: [Tsl2] C:\PROGRA~1\COMMON~1\tsa\tsl2.exe
O4 - HKLM\..\Run: [gcasServ] "C:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_01\bin\jusched.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [ccApp] "C:\Program Files\Common Files\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [IMONTRAY] C:\Program Files\Intel\Intel® Active Monitor\imontray.exe
O4 - HKLM\..\Run: [vptray] C:\PROGRA~1\SYMANT~2\SYMANT~1\vptray.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\1.0.720.3640\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [updateMgr] "C:\Program Files\Adobe\Acrobat 7.0\Reader\AdobeUpdateManager.exe" AcRdB0_0_0 -reboot 1
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O4 - Global Startup: hp psc 2000 Series.lnk = C:\Program Files\Hewlett-Packard\Digital Imaging\bin\hpobnz08.exe
O4 - Global Startup: WinZip Quick Pick.lnk = C:\Program Files\WinZip\WZQKPICK.EXE
O4 - Global Startup: RealSecure® Desktop Protector.lnk = ?
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_01\bin\npjpi142_01.dll
O9 - Extra button: Related - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
O9 - Extra 'Tools' menuitem: Show &Related Links - {c95fe080-8f5d-11d2-a20b-00aa003c157a} - C:\WINDOWS\web\related.htm
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
O16 - DPF: {11260943-421B-11D0-8EAC-0000C07D88CF} (iPIX ActiveX Control) - http://www.ipix.com/download/ipixx.cab
O16 - DPF: {493ACF15-5CD9-4474-82A6-91670C3DD66E} (LinkedIn ContactFinderControl) - http://www.linkedin.com/cab/LinkedInContactFinderControl.cab
O16 - DPF: {5D8844F9-1CB8-11D2-A0A0-00600859EB9F} (PatchCtl Class) - file://C:\Program Files\EA SPORTS\FIFA 2004\update.1.1\patchx2.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5co…b?1098444179559
O16 - DPF: {78AF2F24-A9C3-11D3-BF8C-0060B0FCC122} (AcDcToday Control) - file://C:\Program Files\AutoCAD 2002\AcDcToday.ocx
O16 - DPF: {88D969C0-F192-11D4-A65F-0040963251E5} (XML DOM Document 4.0) - file://C:\TempEI4\EI40_\msxml4.cab
O16 - DPF: {AE563720-B4F5-11D4-A415-00108302FDFD} (NOXLATE-BANR) - file://C:\Program Files\AutoCAD 2002\InstBanr.ocx
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/MsnMesse…pDownloader.cab
O16 - DPF: {C4925E65-7A1E-11D2-8BB4-00A0C9CC72C3} (Virtools WebPlayer Class) - http://a532.g.akamai.net/f/532/6712/4h/pla…5/Installer.exe
O16 - DPF: {C6637286-300D-11D4-AE0A-0010830243BD} (InstaFred) - file://C:\Program Files\AutoCAD 2002\InstFred.ocx
O16 - DPF: {CC32D4D8-2A0B-4CEB-B105-C9B968379105} (CGameManagerCtrl Object) - http://www.disney.go.com/games/downloads/g…GameManager.cab
O16 - DPF: {F281A59C-7B65-11D3-8617-0010830243BD} (AcPreview Control) - file://C:\Program Files\AutoCAD 2002\AcPreview.ocx
O16 - DPF: {FA9740A2-5802-42E2-B509-81186EEB3C42} (WABControl Class) - https://www.linkedin.com/cab/wabctrl.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{BBF530F8-60E2-4305-A604-68156340230A}: NameServer = 212.150.49.10 212.150.48.169
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O20 - Winlogon Notify: NavLogon - C:\WINDOWS\System32\NavLogon.dll
O23 - Service: BlackICE - Internet Security Systems, Inc. - C:\Program Files\ISS\DesktopProtection\blackd.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\System32\drivers\CDAC11BA.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: DefWatch - Symantec Corporation - C:\PROGRA~1\SYMANT~2\SYMANT~1\DefWatch.exe
O23 - Service: Contivity VPN Service (ExtranetAccess) - Nortel Networks NA, Inc. - C:\Program Files\Motorola MVP\Extranet_serv.exe
O23 - Service: Intel® Active Monitor (imonNT) - Intel Corp. - C:\Program Files\Intel\Intel® Active Monitor\imonnt.exe
O23 - Service: Symantec AntiVirus Client (Norton AntiVirus Server) - Symantec Corporation - C:\PROGRA~1\SYMANT~2\SYMANT~1\Rtvscan.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\System32\HPZipm12.exe
O23 - Service: RapApp - Internet Security Systems, Inc. - C:\Program Files\ISS\DesktopProtection\RapApp.exe
O23 - Service: SAVRoam (SavRoam) - symantec - C:\Program Files\Symantec AntiVirus\SavRoam.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\SNDSrvc.exe
O23 - Service: SoundMAX Agent Service (SoundMAX Agent Service (default)) - Analog Devices, Inc. - C:\Program Files\Analog Devices\SoundMAX\SMAgent.exe
O23 - Service: Symantec AntiVirus - Symantec Corporation - C:\Program Files\Symantec AntiVirus\Rtvscan.exe