Mon ordi plante des que je suis sur internet

Bonjour, a tous merci de l'atention porter a mon probleme

mon ordi plante des que je change de page sur internet sur tout firefox. explorer et chrome qui fonctionne 2 seconde avant que tout plante et redemarrelordi au complet jai fait tout les scan mais cela continu ,voivi mon rapport hijach

Logfile of HijackThis v1.99.1
Scan saved at 21:28:17, on 2008-09-26
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16640)

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\Ati2evxx.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
D:\Program Files\Alwil Software\Avast4\ashServ.exe
D:\WINDOWS\system32\spoolsv.exe
D:\WINDOWS\system32\Ati2evxx.exe
D:\WINDOWS\system32\netdde.exe
D:\WINDOWS\Explorer.EXE
D:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
D:\WINDOWS\eHome\ehRecvr.exe
D:\WINDOWS\eHome\ehSched.exe
D:\WINDOWS\system32\svchost.exe
D:\PROGRA~1\AVG\AVG8\avgrsx.exe
D:\PROGRA~1\AVG\AVG8\avgemc.exe
D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
D:\Program Files\Alwil Software\Avast4\ashWebSv.exe
D:\WINDOWS\system32\dllhost.exe
D:\WINDOWS\system32\wscntfy.exe
D:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
D:\Program Files\QuickTime\qttask.exe
D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
D:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Program Files\robert\prhyper.exe
D:\Program Files\Siber Systems\AI RoboForm\RoboTaskBarIcon.exe
D:\WINDOWS\system32\ctfmon.exe
D:\WINDOWS\System32\svchost.exe
D:\Documents and Settings\stephane.MCE2005\Local Settings\Application Data\Google\Update\GoogleUpdate.exe
D:\Program Files\Shareaza\Shareaza.exe
D:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\Program Files\Mozilla Firefox\firefox.exe
D:\Documents and Settings\stephane.MCE2005\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://login.yahoo.com/?.intl=ca&.src=ym
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - D:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: RealPlayer Download and Record Plugin for Internet Explorer - {3049C3E9-B461-4BC5-8870-4C09146192CA} - C:\Program Files\Real\RealPlayer\rpbrowserrecordplugin.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - D:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - D:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: RoboForm - {724d43a9-0d85-11d4-9908-00400523e39a} - D:\Program Files\Siber Systems\AI RoboForm\roboform.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - D:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O3 - Toolbar: &RoboForm - {724d43a0-0d85-11d4-9908-00400523e39a} - D:\Program Files\Siber Systems\AI RoboForm\roboform.dll
O4 - HKLM\..\Run: [WinampAgent] "D:\Program Files\Winamp\winampa.exe"
O4 - HKLM\..\Run: [ATIPTA] c:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [ATICCC] "D:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime -Delay
O4 - HKLM\..\Run: [TkBellExe] "D:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKLM\..\Run: [QuickTime Task] "D:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [avast!] D:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [AVG8_TRAY] D:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKCU\..\Run: [Le Petit Robert Hyperappel] C:\Program Files\robert\prhyper.exe
O4 - HKCU\..\Run: [RoboForm] "D:\Program Files\Siber Systems\AI RoboForm\RoboTaskBarIcon.exe"
O4 - HKCU\..\Run: [ctfmon.exe] D:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Shareaza] "D:\Program Files\Shareaza\Shareaza.exe" -tray
O4 - HKCU\..\Run: [Google Update] "D:\Documents and Settings\stephane.MCE2005\Local Settings\Application Data\Google\Update\GoogleUpdate.exe" /c
O4 - Global Startup: Adobe Reader Speed Launch.lnk = D:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: Barre RoboForm - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComShowToolbar.html
O8 - Extra context menu item: Enregistrer le formulaire - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComSavePass.html
O8 - Extra context menu item: Personnaliser le menu - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComCustomizeIEMenu.html
O8 - Extra context menu item: Remplir le formulaire - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComFillForms.html
O9 - Extra button: Remplir - {320AF880-6646-11D3-ABEE-C5DBF3571F46} - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComFillForms.html
O9 - Extra 'Tools' menuitem: Remplir le formulaire - {320AF880-6646-11D3-ABEE-C5DBF3571F46} - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComFillForms.html
O9 - Extra button: Enregistrer - {320AF880-6646-11D3-ABEE-C5DBF3571F49} - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComSavePass.html
O9 - Extra 'Tools' menuitem: Enregistrer le formulaire - {320AF880-6646-11D3-ABEE-C5DBF3571F49} - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComSavePass.html
O9 - Extra button: Barre RoboForm - {724d43aa-0d85-11d4-9908-00400523e39a} - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComShowToolbar.html
O9 - Extra 'Tools' menuitem: Barre RoboForm - {724d43aa-0d85-11d4-9908-00400523e39a} - file://D:\Program Files\Siber Systems\AI RoboForm\RoboFormComShowToolbar.html
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - D:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - D:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - D:\Program Files\AVG\AVG8\avgpp.dll
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - D:\PROGRA~1\WI1F86~1\MESSEN~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - D:\PROGRA~1\WI1F86~1\MESSEN~1\MSGRAP~1.DLL
O20 - AppInit_DLLs: avgrsstx.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - D:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - D:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - D:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - ALWIL Software - D:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - D:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: AVG8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - D:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - D:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - D:\Program Files\Fichiers communs\InstallShield\Driver\1050\Intel 32\IDriverT.exe

merci davance

stephaura

p.s. avg me dit tout le temps que mon antiviris est outdate et ne veut pas updater m

merci encore