cas critique mon pc rame enormement

bonjour,

voila depuis quelques temps mon pc rame enormement, je ne vois pas a quoi cela est due, j ai fait ttes les analyses possibles, spywares, virus, j ai tout desinfecté, je pense que le probleme doit venir du demarrage, mon pc fait 1000 herz et depuis quelques temps au demarrage il m affiche 667 herz le probleme peut provenir de la. voici ce que m affiche hijackthis :

Logfile of HijackThis v1.99.1
Scan saved at 14:24:26, on 08/11/2006
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:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Ashampoo\Ashampoo Magical Defrag\bin\aDefragService.exe
C:\PROGRA~2\F-SECU~1\backweb\4476822\Program\SERVIC~1.EXE
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsgk32st.exe
C:\Program Files\F-Secure Internet Security\backweb\4476822\program\fsbwsys.exe
C:\Program Files\F-Secure Internet Security\Anti-Virus\FSGK32.EXE
C:\Program Files\F-Secure Internet Security\Common\FSMA32.EXE
C:\Program Files\F-Secure Internet Security\Anti-Virus\fssm32.exe
C:\Program Files\F-Secure Internet Security\Common\FSMB32.EXE
C:\WINDOWS\System32\svchost.exe
C:\Program Files\F-Secure Internet Security\Common\FCH32.EXE
C:\Program Files\F-Secure Internet Security\backweb\4476822\Program\fspex.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\F-Secure Internet Security\Common\FAMEH32.EXE
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsqh.exe
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsrw.exe
C:\PROGRA~2\Wanadoo\CnxMon.exe
C:\PROGRA~2\Wanadoo\TaskbarIcon.exe
C:\Program Files\DAP\DAP.EXE
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\F-Secure Internet Security\Common\FSM32.EXE
C:\Program Files\F-Secure Internet Security\FSGUI\ispnews.exe
C:\Program Files\Ashampoo\Ashampoo Magical Defrag\bin\aDefragCtrl.exe
C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Program Files\F-Secure Internet Security\FWES\Program\fsdfwd.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\Program Files\F-Secure Internet Security\Anti-Virus\fsav32.exe
C:\PROGRA~2\F-SECU~1\ANTI-S~1\fsaw.exe
C:\Program Files\F-Secure Internet Security\FSGUI\fsguidll.exe
C:\Program Files\Wanadoo\EspaceWanadoo.exe
C:\Program Files\Wanadoo\ComComp.exe
C:\Program Files\Wanadoo\Watch.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\DOCUME~1\MAGICK~2\LOCALS~1\Temp\Rar$EX02.916\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Wanadoo
R3 - URLSearchHook: (no name) - _{08C06D61-F1F3-4799-86F8-BE1A89362C85} - (no file)
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: CNisExtBho Class - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Program Files\Fichiers communs\Symantec Shared\AdBlocking\NISShExt.dll
O4 - HKLM\..\Run: [WooCnxMon] C:\PROGRA~2\Wanadoo\CnxMon.exe
O4 - HKLM\..\Run: [WOOWATCH] C:\PROGRA~2\Wanadoo\Watch.exe
O4 - HKLM\..\Run: [WOOTASKBARICON] C:\PROGRA~2\Wanadoo\TaskbarIcon.exe
O4 - HKLM\..\Run: [DownloadAccelerator] "C:\Program Files\DAP\DAP.EXE" /STARTUP
O4 - HKLM\..\Run: [BluetoothAuthenticationAgent] rundll32.exe bthprops.cpl,,BluetoothAuthenticationAgent
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\F-Secure Internet Security\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\F-Secure Internet Security\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [F-Secure Startup Wizard] "C:\Program Files\F-Secure Internet Security\FSGUI\FSSW.EXE" /reboot
O4 - HKLM\..\Run: [News Service] "C:\Program Files\F-Secure Internet Security\FSGUI\ispnews.exe"
O4 - HKCU\..\Run: [WOOKIT] C:\PROGRA~2\Wanadoo\GestMaj.exe EspaceWanadoo.exe
O4 - HKCU\..\Run: [BgMonitor_{79662E04-7C6C-4d9f-84C7-88D8A56B10AA}] "C:\Program Files\Fichiers communs\Ahead\Lib\NMBgMonitor.exe"
O4 - Global Startup: Ashampoo Magical Defrag.lnk = C:\Program Files\Ashampoo\Ashampoo Magical Defrag\bin\aDefragCtrl.exe
O4 - Global Startup: DSLMON.lnk = C:\Program Files\SAGEM\SAGEM F@st 800-840\dslmon.exe
O4 - Global Startup: F-Secure 2006.lnk = C:\Program Files\F-Secure Internet Security\backweb\4476822\Program\fspex.exe
O8 - Extra context menu item: &Bloquer cette fenêtre publicitaire - C:\Program Files\F-Secure Internet Security\Anti-Spyware\blockpopups.htm
O8 - Extra context menu item: &Clean Traces - C:\Program Files\DAP\Privacy Package\dapcleanerie.htm
O8 - Extra context menu item: &Download with &DAP - C:\Program Files\DAP\dapextie.htm
O8 - Extra context menu item: Download &all with DAP - C:\Program Files\DAP\dapextie2.htm
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~2\MICROS~2\Office10\EXCEL.EXE/3000
O8 - Extra context menu item: Envoyer à &Bluetooth - C:\Program Files\MSI\BToes Logiciel Bluetooth\btsendto_ie_ctx.htm
O9 - Extra button: Wanadoo - {1462651F-F4BA-4C76-A001-C4284D0FE16E} - http://www.wanadoo.fr (file missing) (HKCU)
O16 - DPF: {00000000-0000-0000-0000-000020030000} - http://www.advnt01.com/dialer/fra_pagl.exe
O16 - DPF: {2472DCCC-68CE-49DA-AA81-E7E6D83C1DFA} - http://acces.blonde.com/package/op/PackageHtmlCab.CAB
O17 - HKLM\System\CCS\Services\Tcpip\..\{0C0D21A2-A442-4F03-AF00-F3728FBAF1C7}: NameServer = 80.10.246.1 80.10.246.132
O17 - HKLM\System\CS1\Services\Tcpip\..\{0C0D21A2-A442-4F03-AF00-F3728FBAF1C7}: NameServer = 80.10.246.1 80.10.246.132
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~2\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~2\MSNMES~1\MSGRAP~1.DLL
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\
O20 - Winlogon Notify: WRNotifier - WRLogonNTF.dll (file missing)
O23 - Service: AshampooDefragService - - C:\Program Files\Ashampoo\Ashampoo Magical Defrag\bin\aDefragService.exe
O23 - Service: F-Secure 2006 (BackWeb Plug-in - 4476822) - F-Secure Internet Security 2005 - C:\PROGRA~2\F-SECU~1\backweb\4476822\Program\SERVIC~1.EXE
O23 - Service: Bluetooth Service (btwdins) - Broadcom Corporation. - C:\Program Files\MSI\BToes Logiciel Bluetooth\bin\btwdins.exe
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Program Files\Fichiers communs\Symantec Shared\ccSetMgr.exe
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\Anti-Virus\fsgk32st.exe
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\F-Secure Internet Security\backweb\4476822\program\fsbwsys.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\F-Secure Internet Security\Common\FSMA32.EXE
O23 - Service: France Telecom Routing Table Service (FTRTSVC) - France Telecom - C:\WINDOWS\System32\FTRTSVC.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe


Merci de votre aide