ordi fonctionne au ralentit possibilité de virus ou autres

Salut lil78,

Pour nous poster un rapport, télécharge la dernière version d'HijackThis.

Déconnecte-toi d'Internet, dézippe-le et installe-le sur ton Bureau.

Ouvre-le et clique sur "Do a system scan and save a logfile". A la fin du scan, le bloc-notes va s'ouvrir, affichant le rapport ...

Copie/colle l'intégralité de ce rapport et poste-le ici.

voici mon rapport hijack aussi g un autre souci maintenanat jeviens par la mise à jour de micrososft installer explorer 7 ET là g un message toute les cinq seconde pour me dire : "que la cle de recherche requise n'a été trouvé dans aucun contexte d'activation actif" quest ce ça veut dire je sais !!! merci de m'aider please
Logfile of HijackThis v1.99.1
Scan saved at 18:20:22, on 15/01/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\System32\WLTRYSVC.EXE
C:\WINDOWS\System32\bcmwltry.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Acer\Empowering Technology\ePerformance\MemCheck.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\wbem\wmiapsrv.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\ehome\ehtray.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\WINDOWS\RTHDCPL.EXE
C:\Acer\Empowering Technology\ePower\ePower_DMC.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\PROGRA~1\LAUNCH~1\LManager.exe
C:\Acer\Empowering Technology\eRecovery\eRAgent.exe
C:\WINDOWS\system32\WLTRAY.exe
C:\Program Files\ATI Technologies\ATI.ACE\CLI.EXE
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\Program Files\Java\jre1.5.0_08\bin\jusched.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\WINDOWS\system32\wuauclt.exe
C:\Acer\Empowering Technology\Acer.Empowering.Framework.Launcher.exe
C:\WINDOWS\system32\wbem\unsecapp.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\Java\jre1.5.0_08\bin\jucheck.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\ILHAM\Local Settings\Temporary Internet Files\Content.IE5\1JS6EEZN\hijackthis[1]\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - c:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_08\bin\ssv.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Fichiers communs\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [AzMixerSel] C:\Program Files\Realtek\InstallShield\AzMixerSel.exe
O4 - HKLM\..\Run: [ntiMUI] C:\Program Files\NewTech Infosystems\NTI CD & DVD-Maker 7\ntiMUI.exe
O4 - HKLM\..\Run: [Acer ePresentation HPD] C:\Acer\Empowering Technology\ePresentation\ePresentation.exe
O4 - HKLM\..\Run: [IMJPMIG8.1] "C:\WINDOWS\IME\imjp8_1\IMJPMIG.EXE" /Spoil /RemAdvDef /Migration32
O4 - HKLM\..\Run: [MSPY2002] C:\WINDOWS\system32\IME\PINTLGNT\ImScInst.exe /SYNC
O4 - HKLM\..\Run: [PHIME2002ASync] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /SYNC
O4 - HKLM\..\Run: [PHIME2002A] C:\WINDOWS\system32\IME\TINTLGNT\TINTSETP.EXE /IMEName
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [SkyTel] SkyTel.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [ePower_DMC] C:\Acer\Empowering Technology\ePower\ePower_DMC.exe
O4 - HKLM\..\Run: [Boot] C:\Acer\Empowering Technology\ePower\Boot.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [LManager] C:\PROGRA~1\LAUNCH~1\LManager.exe
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\CLIStart.exe"
O4 - HKLM\..\Run: [eRecoveryService] C:\Acer\Empowering Technology\eRecovery\eRAgent.exe
O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\WINDOWS\system32\WLTRAY.exe
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_08\bin\jusched.exe"
O4 - HKLM\..\RunOnce: [NoIE4StubProcessing] C:\WINDOWS\system32\reg.exe DELETE "HKLM\SOFTWARE\Microsoft\Active Setup\Installed Components" /v "NoIE4StubProcessing" /f
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [TVAgent WiFi] C:\Program Files\Assistant de connexion WiFi\Wizard\Agent_WiFi.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - Startup: OpenOffice.org 2.1.lnk = C:\Program Files\OpenOffice.org 2.1\program\quickstart.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Acer Empowering Technology.lnk = C:\Acer\Empowering Technology\Acer.Empowering.Framework.Launcher.exe
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
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
O11 - Options group: [INTERNATIONAL] International*
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O23 - Service: Memory Check Service (AcerMemUsageCheckService) - Acer Inc. - C:\Acer\Empowering Technology\ePerformance\MemCheck.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Fichiers communs\LightScribe\LSSrvc.exe
O23 - Service: Broadcom Wireless LAN Tray Service (wltrysvc) - Unknown owner - C:\WINDOWS\System32\WLTRYSVC.EXE

ben comme ça se fait que personne ne répond!!!!!!