Ca rame et je ne sais pas quoi faire - HELP !

Bonjour,

Ca rame..... ca rame..... et je ne comprends pas pourquoi..... je ne comprends pas non plus pourquoi j'ai autant de "tâches" dans la liste des processus actifs.....

Quelqu'un peut-il m'aider à "faire le ménage" ?

MERCI !!!!!!!!!

Config :
AMD Athlon XP 2400+
ASUS A7N8X-X
RAM 2x 512 SAMSUNG PC3200
MSI 5900 FX
DD 80 et 120Go

Voici un log de hijackthis :

Logfile of HijackThis v1.99.1
Scan saved at 16:17:16, on 07/09/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

Running processes:
G:\WINDOWS\System32\smss.exe
G:\WINDOWS\system32\winlogon.exe
G:\WINDOWS\system32\services.exe
G:\WINDOWS\system32\lsass.exe
G:\WINDOWS\system32\svchost.exe
G:\WINDOWS\System32\svchost.exe
G:\WINDOWS\system32\spoolsv.exe
G:\WINDOWS\Explorer.EXE
G:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\avpcc.exe
G:\PROGRA~1\mcafee.com\agent\mcagent.exe
G:\WINDOWS\system32\rundll32.exe
G:\Program Files\Friendly Technologies\BroadbandAccess\fts.exe
G:\progra~1\mcafee\MCAFEE~1\MssCli.exe
G:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
G:\PROGRA~1\PESTPA~1\PPControl.exe
G:\PROGRA~1\PESTPA~1\PPMemCheck.exe
G:\PROGRA~1\PESTPA~1\CookiePatrol.exe
G:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe
G:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe
G:\WINDOWS\system32\ctfmon.exe
G:\WINDOWS\webshots.scr
G:\Program Files\Microsoft AntiSpyware\gcasDtServ.exe
G:\PROGRA~1\McAfee.com\PERSON~1\MpfAgent.exe
G:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\avpcc.exe
G:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\avpm.exe
g:\progra~1\mcafee\MCAFEE~1\MssSrv.exe
g:\program files\mcafee.com\agent\mcdetect.exe
g:\PROGRA~1\mcafee.com\agent\mctskshd.exe
G:\PROGRA~1\McAfee.com\PERSON~1\MpfService.exe
G:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
G:\WINDOWS\System32\svchost.exe
G:\PROGRA~1\WINZIP\winzip32.exe
G:\Documents and Settings\xxx\Local Settings\Temp\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.fr/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.yahoo.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: Yahoo! Companion BHO - {02478D38-C3F9-4efb-9B51-7695ECA05670} - G:\PROGRA~1\Yahoo!\COMPAN~1\Installs\cpn\ycomp5_3_18_0.dll
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - G:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: e-Carte Bleue Browser Helper Object - {2E03C0FD-4C48-43A7-9A54-00240C70FF16} - G:\WINDOWS\system32\BhoECart.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - G:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: (no name) - {5C8B2A36-3DB1-42A4-A3CB-D426709BBFEB} - (no file)
O3 - Toolbar: &Yahoo! Companion - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - G:\PROGRA~1\Yahoo!\COMPAN~1\Installs\cpn\ycomp5_3_18_0.dll
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE G:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE G:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [AVPCC] "G:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\avpcc.exe" /wait
O4 - HKLM\..\Run: [MCAgentExe] g:\PROGRA~1\mcafee.com\agent\mcagent.exe
O4 - HKLM\..\Run: [MCUpdateExe] G:\PROGRA~1\mcafee.com\agent\mcupdate.exe
O4 - HKLM\..\Run: [%FP%Friendly fts.exe] "G:\Program Files\Friendly Technologies\BroadbandAccess\fts.exe"
O4 - HKLM\..\Run: [_AntiSpyware] g:\progra~1\mcafee\MCAFEE~1\MssCli.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] G:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [gcasServ] "G:\Program Files\Microsoft AntiSpyware\gcasServ.exe"
O4 - HKLM\..\Run: [PestPatrol Control Center] G:\PROGRA~1\PESTPA~1\PPControl.exe
O4 - HKLM\..\Run: [PPMemCheck] G:\PROGRA~1\PESTPA~1\PPMemCheck.exe
O4 - HKLM\..\Run: [CookiePatrol] G:\PROGRA~1\PESTPA~1\CookiePatrol.exe
O4 - HKLM\..\Run: [MPFExe] G:\PROGRA~1\McAfee.com\PERSON~1\MpfTray.exe
O4 - HKLM\..\Run: [TkBellExe] "G:\Program Files\Fichiers communs\Real\Update_OB\realsched.exe" -osboot
O4 - HKCU\..\Run: [ctfmon.exe] G:\WINDOWS\system32\ctfmon.exe
O4 - Startup: Webshots.lnk = G:\Program Files\Webshots\Launcher.exe
O4 - Global Startup: Microsoft Office.lnk = G:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://G:\PROGRA~1\MICROS~2\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - G:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - G:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra button: Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - G:\Program Files\Yahoo!\Messenger\yhexbmes.dll
O9 - Extra 'Tools' menuitem: Yahoo! Messenger - {4528BBE0-4E08-11D5-AD55-00010333D0AD} - G:\Program Files\Yahoo!\Messenger\yhexbmes.dll
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - G:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - G:\Program Files\Messenger\msmsgs.exe
O16 - DPF: {4ED9DDF0-7479-4BBE-9335-5A1EDB1D8A21} (McAfee.com Operating System Class) - http://download.mcafee.com/molbin/shared/mcinsctl/en-us/4,0,0,90/mcinsctl.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://v5.windowsupdate.microsoft.com/v5consumer/V5Controls/en/x86/client/wuweb_site.cab?1117543257340
O16 - DPF: {BCC0FF27-31D9-4614-A68E-C18E1ADA4389} (DwnldGroupMgr Class) - http://download.mcafee.com/molbin/shared/mcgdmgr/en-us/1,0,0,23/mcgdmgr.cab
O23 - Service: AVP Control Centre Service (AVPCC) - Unknown owner - G:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\avpcc.exe" /service (file missing)
O23 - Service: KAV Monitor Service (KAVMonitorService) - Unknown owner - G:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus Personal\avpm.exe" /service (file missing)
O23 - Service: McAfee AntiSpyware Real-Time Scanner (McAfeeAntiSpyware) - McAfee, Inc. - g:\progra~1\mcafee\MCAFEE~1\MssSrv.exe
O23 - Service: McAfee WSC Integration (McDetect.exe) - McAfee, Inc - g:\program files\mcafee.com\agent\mcdetect.exe
O23 - Service: McAfee Task Scheduler (McTskshd.exe) - McAfee, Inc - g:\PROGRA~1\mcafee.com\agent\mctskshd.exe
O23 - Service: McAfee SecurityCenter Update Manager (mcupdmgr.exe) - McAfee, Inc - G:\PROGRA~1\McAfee.com\Agent\mcupdmgr.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - G:\PROGRA~1\McAfee.com\PERSON~1\MpfService.exe
O23 - Service: Norton Unerase Protection (NProtectService) - Symantec Corporation - G:\PROGRA~1\NORTON~1\NORTON~2\NPROTECT.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - G:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Speed Disk service - Symantec Corporation - G:\PROGRA~1\NORTON~1\NORTON~2\SPEEDD~1\NOPDB.EXE
O23 - Service: Symantec Core LC - Symantec Corporation - G:\Program Files\Fichiers communs\Symantec Shared\CCPD-LC\symlcsvc.exe