Lenteur de pc

merci de ton attention.Je l'ai desinstaller et je crois qu'il a mis a jour les chip set.C'est grave?
merci

j'y ai penser trop tard.

Je crois qu'il ne me reste plus qu'a aller voir un technicien....

Encore merci.
Le lien du tutoriel est introuvable,aussi je n'y connais pas grand chose en ordinateur.Si j'ai bien compris donc j'ai fait comme tu m'as dit de faire et voici le rapport.

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 02:00:25, on 29/05/2010
Platform: Unknown Windows (WinNT 6.01.3504)
MSIE: Internet Explorer v8.00 (8.00.7600.16385)
Boot mode: Normal

Running processes:
C:\Program Files (x86)\Skype\Phone\Skype.exe
C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe
C:\Program Files (x86)\Steam\Steam.exe
C:\Program Files (x86)\uTorrent\uTorrent.exe
C:\Users\cornelius\AppData\Roaming\Microsoft\Notification de cadeaux MSN\lsnfier.exe
C:\Program Files (x86)\TOSHIBA\Utilities\KeNotify.exe
C:\Program Files (x86)\TOSHIBA\TOSHIBA Web Camera Application\TWebCamera.exe
C:\Program Files (x86)\DartyBox Sécurité\Common\FSM32.EXE
C:\Program Files (x86)\Windows Live\Contacts\wlcomm.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Program Files (x86)\Google\Google Toolbar\GoogleToolbarUser_32.exe
C:\Program Files (x86)\Internet Explorer\IELowutil.exe
C:\Program Files (x86)\Skype\Toolbars\Shared\SkypeNames.exe
C:\Windows\SysWow64\Macromed\Flash\FlashUtil10e.exe
C:\Program Files (x86)\Trend Micro\HijackThis\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
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 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.durable.com/recherche
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page = C:\Windows\SysWOW64\blank.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: interdescargas-FR Toolbar - {31c322dc-5878-452e-a2d8-c4aab9973c9a} - C:\Program Files (x86)\interdescargas-FR\tbinte.dll
R3 - URLSearchHook: Recherche France Toolbar - {d5b75883-e809-4120-bfeb-8d707d5dfbe3} - C:\Program Files (x86)\Recherche_France\tbRec1.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files (x86)\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O2 - BHO: interdescargas-FR Toolbar - {31c322dc-5878-452e-a2d8-c4aab9973c9a} - C:\Program Files (x86)\interdescargas-FR\tbinte.dll
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files (x86)\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files (x86)\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files (x86)\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files (x86)\Google\GoogleToolbarNotifier\5.2.4204.1700\swg.dll
O2 - BHO: LitmusBHO - {C6867EB7-8350-4856-877F-93CF8AE3DC9C} - C:\Program Files (x86)\DartyBox Sécurité\NRS\iescript\baselitmus.dll
O2 - BHO: Google Dictionary Compression sdch - {C84D72FE-E17D-4195-BB24-76C02E2E7C4E} - C:\Program Files (x86)\Google\Google Toolbar\Component\fastsearch_B7C5AC242193BB3E.dll
O2 - BHO: Ask Toolbar BHO - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files (x86)\Ask.com\GenericAskToolbar.dll
O2 - BHO: Recherche France Toolbar - {d5b75883-e809-4120-bfeb-8d707d5dfbe3} - C:\Program Files (x86)\Recherche_France\tbRec1.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files (x86)\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files (x86)\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files (x86)\Google\Google Toolbar\GoogleToolbar_32.dll
O3 - Toolbar: interdescargas-FR Toolbar - {31c322dc-5878-452e-a2d8-c4aab9973c9a} - C:\Program Files (x86)\interdescargas-FR\tbinte.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files (x86)\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: WalterShop - {9ec204df-0e48-4c32-816e-2e928a4fd9c2} - mscoree.dll (file missing)
O3 - Toolbar: Recherche France Toolbar - {d5b75883-e809-4120-bfeb-8d707d5dfbe3} - C:\Program Files (x86)\Recherche_France\tbRec1.dll
O3 - Toolbar: Ask Toolbar - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files (x86)\Ask.com\GenericAskToolbar.dll
O3 - Toolbar: Browsing Protection Toolbar - {265EEE8E-3228-44D3-AEA5-F7FDF5860049} - C:\Program Files (x86)\DartyBox Sécurité\NRS\iescript\baselitmus.dll
O4 - HKLM\..\Run: [SVPWUTIL] C:\Program Files (x86)\TOSHIBA\Utilities\SVPWUTIL.exe SVPwUTIL
O4 - HKLM\..\Run: [HWSetup] "C:\Program Files\TOSHIBA\Utilities\HWSetup.exe" hwSetUP
O4 - HKLM\..\Run: [KeNotify] C:\Program Files (x86)\TOSHIBA\Utilities\KeNotify.exe
O4 - HKLM\..\Run: [TWebCamera] "%ProgramFiles%\TOSHIBA\TOSHIBA Web Camera Application\TWebCamera.exe" autorun
O4 - HKLM\..\Run: [ToshibaServiceStation] "C:\Program Files (x86)\TOSHIBA\TOSHIBA Service Station\ToshibaServiceStation.exe" /hide:60
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files (x86)\DartyBox Sécurité\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files (x86)\DartyBox Sécurité\FSGUI\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [StartCCC] "C:\Program Files (x86)\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKCU\..\Run: [Skype] "C:\Program Files (x86)\Skype\Phone\Skype.exe" /nosplash /minimized
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files (x86)\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [Steam] "c:\program files (x86)\steam\steam.exe" -silent
O4 - HKCU\..\Run: [uTorrent] "C:\Program Files (x86)\uTorrent\uTorrent.exe"
O4 - HKCU\..\RunOnce: [Iminent.Notifier Install] "C:\Users\CORNEL~1\AppData\Local\Temp\NotifierSetup.exe" /s
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /autoRun (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-20\..\RunOnce: [mctadmin] C:\Windows\System32\mctadmin.exe (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [TOSHIBA Online Product Information] C:\Program Files (x86)\TOSHIBA\Toshiba Online Product Information\topi.exe (User 'Système')
O4 - HKUS\.DEFAULT\..\Run: [TOSHIBA Online Product Information] C:\Program Files (x86)\TOSHIBA\Toshiba Online Product Information\topi.exe (User 'Default user')
O4 - .DEFAULT User Startup: TRDCReminder.lnk = C:\Program Files (x86)\TOSHIBA\TRDCReminder\TRDCReminder.exe (User 'Default user')
O4 - Startup: Notification de cadeaux MSN.lnk = cornelius\AppData\Roaming\Microsoft\Notification de cadeaux MSN\lsnfier.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~2\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: Ajout Direct - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Ajout Direct dans Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files (x86)\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~2\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: (no name) - {5067A26B-1337-4436-8AFE-EE169C2DA79F} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra 'Tools' menuitem: Skype add-on for Internet Explorer - {5067A26B-1337-4436-8AFE-EE169C2DA79F} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files (x86)\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~2\MICROS~2\Office12\REFIEBAR.DLL
O13 - Gopher Prefix:
O15 - Trusted Zone: *.chat-land.org
O16 - DPF: {C345E174-3E87-4F41-A01C-B066A90A49B4} (WRC Class) - http://trial.trymicrosoftoffice.com/trialoaa/buymsoffice_assets/framework/microsoft/wrc32.ocx
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~2\COMMON~1\Skype\SKYPE4~1.DLL
O23 - Service: @%SystemRoot%\system32\Alg.exe,-112 (ALG) - Unknown owner - C:\Windows\System32\alg.exe (file missing)
O23 - Service: AMD External Events Utility - Unknown owner - C:\Windows\system32\atiesrxx.exe (file missing)
O23 - Service: @%SystemRoot%\system32\efssvc.dll,-100 (EFS) - Unknown owner - C:\Windows\System32\lsass.exe (file missing)
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files (x86)\DartyBox Sécurité\Anti-Virus\fsgk32st.exe
O23 - Service: @%systemroot%\system32\fxsresm.dll,-118 (Fax) - Unknown owner - C:\Windows\system32\fxssvc.exe (file missing)
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files (x86)\DartyBox Sécurité\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files (x86)\DartyBox Sécurité\Common\FSMA32.EXE
O23 - Service: F-Secure ORSP Client (FSORSPClient) - F-Secure Corporation - C:\Program Files (x86)\DartyBox Sécurité\ORSP Client\fsorsp.exe
O23 - Service: GameConsoleService - WildTangent, Inc. - C:\Program Files (x86)\TOSHIBA Games\TOSHIBA Game Console\GameConsoleService.exe
O23 - Service: Service Google Update (gupdate) (gupdate) - Google Inc. - C:\Program Files (x86)\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (gusvc) - Google - C:\Program Files (x86)\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: @keyiso.dll,-100 (KeyIso) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @comres.dll,-2797 (MSDTC) - Unknown owner - C:\Windows\System32\msdtc.exe (file missing)
O23 - Service: @%SystemRoot%\System32\netlogon.dll,-102 (Netlogon) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: PnkBstrA - Unknown owner - C:\Windows\system32\PnkBstrA.exe
O23 - Service: @%systemroot%\system32\psbase.dll,-300 (ProtectedStorage) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%systemroot%\system32\Locator.exe,-2 (RpcLocator) - Unknown owner - C:\Windows\system32\locator.exe (file missing)
O23 - Service: @%SystemRoot%\system32\samsrv.dll,-1 (SamSs) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\snmptrap.exe,-3 (SNMPTRAP) - Unknown owner - C:\Windows\System32\snmptrap.exe (file missing)
O23 - Service: @%systemroot%\system32\spoolsv.exe,-1 (Spooler) - Unknown owner - C:\Windows\System32\spoolsv.exe (file missing)
O23 - Service: @%SystemRoot%\system32\sppsvc.exe,-101 (sppsvc) - Unknown owner - C:\Windows\system32\sppsvc.exe (file missing)
O23 - Service: Steam Client Service - Valve Corporation - C:\Program Files (x86)\Common Files\Steam\SteamService.exe
O23 - Service: Notebook Performance Tuning Service (TEMPRO) (TemproMonitoringService) - Toshiba Europe GmbH - C:\Program Files (x86)\Toshiba TEMPRO\TemproSvc.exe
O23 - Service: TMachInfo - TOSHIBA Corporation - C:\Program Files (x86)\TOSHIBA\TOSHIBA Service Station\TMachInfo.exe
O23 - Service: TOSHIBA Optical Disc Drive Service (TODDSrv) - Unknown owner - C:\Windows\system32\TODDSrv.exe (file missing)
O23 - Service: TOSHIBA Power Saver (TosCoSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\Power Saver\TosCoSrv.exe
O23 - Service: TOSHIBA eco Utility Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TECO\TecoService.exe
O23 - Service: TOSHIBA HDD SSD Alert Service - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TOSHIBA HDD SSD Alert\TosSmartSrv.exe
O23 - Service: TPCH Service (TPCHSrv) - TOSHIBA Corporation - C:\Program Files\TOSHIBA\TPHM\TPCHSrv.exe
O23 - Service: @C:\Program Files (x86)\TuneUp Utilities 2010\TuneUpDefragService.exe,-1 (TuneUp.Defrag) - TuneUp Software - C:\Program Files (x86)\TuneUp Utilities 2010\TuneUpDefragService.exe
O23 - Service: TuneUp Utilities Service (TuneUp.UtilitiesSvc) - TuneUp Software - C:\Program Files (x86)\TuneUp Utilities 2010\TuneUpUtilitiesService64.exe
O23 - Service: @%SystemRoot%\system32\ui0detect.exe,-101 (UI0Detect) - Unknown owner - C:\Windows\system32\UI0Detect.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vaultsvc.dll,-1003 (VaultSvc) - Unknown owner - C:\Windows\system32\lsass.exe (file missing)
O23 - Service: @%SystemRoot%\system32\vds.exe,-100 (vds) - Unknown owner - C:\Windows\System32\vds.exe (file missing)
O23 - Service: @%systemroot%\system32\vssvc.exe,-102 (VSS) - Unknown owner - C:\Windows\system32\vssvc.exe (file missing)
O23 - Service: @%systemroot%\system32\wbengine.exe,-104 (wbengine) - Unknown owner - C:\Windows\system32\wbengine.exe (file missing)
O23 - Service: @%Systemroot%\system32\wbem\wmiapsrv.exe,-110 (wmiApSrv) - Unknown owner - C:\Windows\system32\wbem\WmiApSrv.exe (file missing)
O23 - Service: @%PROGRAMFILES%\Windows Media Player\wmpnetwk.exe,-101 (WMPNetworkSvc) - Unknown owner - C:\Program Files (x86)\Windows Media Player\wmpnetwk.exe (file missing)

Merci d'avance pour ton aide.