System critical erreur

bonjour !!

voila j'ai un petit sushi , j'ai un message critical system error qui s'affiche dans ma barre des taches donc j ai utilisé hoijacks mais j ai quelques difficulter à faire le tri, donc j'ai éfacé du log les progs que je connaissais j 'ai laissé ceux que je ne connais pas (vous allez vite voir que je connais pas grand chose lool)

le log :

Logfile of HijackThis v1.99.1
Scan saved at 11:29:42, on 03/10/2006
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\spoolsv.exe
C:\progra~1\softwin\bitdef~1\bdmcon.exe
C:\Program Files\Softwin\BitDefender9\bdoesrv.exe
C:\progra~1\softwin\bitdef~1\bdnagent.exe
C:\progra~1\softwin\bitdef~1\bdswitch.exe
C:\Program Files\Creative\SB Live! 24-bit\Surround Mixer\CTSysVol.exe
C:\Program Files\D-Tools\daemon.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\system32\CTsvcCDA.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Webroot\Spy Sweeper\WRSSSDK.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
C:\WINDOWS\system32\MsPMSPSv.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Communicator\xcommsvr.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Update Service\livesrv.exe
C:\Program Files\Fichiers communs\Softwin\BitDefender Scan Server\bdss.exe
C:\Program Files\Softwin\BitDefender9\vsserv.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Fichiers communs\Microsoft Shared\Source Engine\OSE.EXE
C:\Program Files\Internet Explorer\iexplore.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.free.fr/freebox/index.html
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Oops CHAVROU
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens

O2 - BHO: (no name) - {202a961f-23ae-42b1-9505-ffe3c818d717} - (no file)
O3 - Toolbar: Protection Bar - {479fd0cf-5be9-4c63-8cda-b6d371c67bd5} - C:\Program Files\VideosCodec\iesplugin.dll
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - Startup: Y'z ToolBar.lnk = C:\WINDOWS\BricoPacks\Vista Inspirat\YzToolbar\YzToolBar.exe
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://c:\program files\google\GoogleToolbar2.dll/cmwordtrans.html
O8 - Extra context menu item: Backward Links - res://c:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: Open in new background tab - res://C:\Program Files\MSN Toolbar Suite\TAB\02.05.0001.1119\en-us\msntabres.dll/229?5790ef347a9046599e7fe459c4b7e90
O8 - Extra context menu item: Open in new foreground tab - res://C:\Program Files\MSN Toolbar Suite\TAB\02.05.0001.1119\en-us\msntabres.dll/230?5790ef347a9046599e7fe459c4b7e90
O8 - Extra context menu item: Similar Pages - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://c:\program files\google\GoogleToolbar2.dll/cmtrans.html
O16 - DPF: Interface Chat Wanadoo - http://chat9.x-echo.com/version6/Applet/wchatsign.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://download.microsoft.com/download/E/5/6/E5611B10-0D6D-4117-8430-A67417AA88CD/LegitCheckControl.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - update.microsoft.com
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O20 - Winlogon Notify: WRNotifier - C:\WINDOWS\SYSTEM32\WRLogonNTF.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Fichiers communs\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTsvcCDA.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
O23 - Service: Webroot Spy Sweeper Engine (svcWRSSSDK) - Webroot Software, Inc. - C:\Program Files\Webroot\Spy Sweeper\WRSSSDK.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe

voilou.