Mon ordinateur n'arrete pas de planter.

S'il vous plaît, pouvez vous analiser ce hijackthis (et oui encore un) je l'ai efecuter suite a plusieur probleme qui n'ont pas pus etre identifier. Mes connaissance informatique étant limitées je vous remerci d'avance.

Logfile of HijackThis v1.99.1
Scan saved at 21:49:25, on 06/11/2005
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:\WINDOWS\system32\spoolsv.exe
C:\Program Files\AVPersonal\AVGUARD.EXE
C:\Program Files\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\AVPersonal\AVGNT.EXE
C:\Program Files\Lexmark 6200 Series\lxbumon.exe
C:\WINDOWS\system32\devldr32.exe
C:\Program Files\Lexmark 6200 Series\ezprint.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\WINDOWS\System32\lxbucoms.exe
C:\WINDOWS\system32\BHSV.EXE
C:\WINDOWS\system32\taskmgr.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\etb\pokapoka79.exe
C:\aa\hijack\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://www.enterthesearch.com/sp2.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.enterthesearch.com/sp2.php
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.enterthesearch.com/sp2.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.free.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.enterthesearch.com/sp2.php
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O4 - HKLM\..\Run: [eAVGUkUw] C:\PROGRA~1\vxwqpput\d0RCIcBN.exe
O4 - HKLM\..\Run: [AVGCtrl] "C:\Program Files\AVPersonal\AVGNT.EXE" /min
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [LXBUCATS] rundll32 C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\LXBUtime.dll,_RunDLLEntry@16
O4 - HKLM\..\Run: [lxbumon.exe] "C:\Program Files\Lexmark 6200 Series\lxbumon.exe"
O4 - HKLM\..\Run: [FaxCenterServer] "C:\Program Files\Lexmark Fax Solutions\fm3032.exe" /s
O4 - HKLM\..\Run: [EzPrint] "C:\Program Files\Lexmark 6200 Series\ezprint.exe"
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [Browser Help Svc] BHSV.EXE
O4 - HKLM\..\Run: [System service79] C:\WINDOWS\etb\pokapoka79.exe
O4 - HKLM\..\RunServices: [Browser Help Svc] BHSV.EXE
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [SVCH Service] svch32.pif
O4 - HKCU\..\Run: [Browser Help Svc] BHSV.EXE
O4 - HKCU\..\RunServices: [SVCH Service] svch32.pif
O4 - HKCU\..\RunServices: [Browser Help Svc] BHSV.EXE
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {1A00C40B-DA85-4aa3-A67F-582D9347EECD} - C:\WINDOWS\System32\TD.exe (file missing)
O9 - Extra 'Tools' menuitem: MaxSpeed - {1A00C40B-DA85-4aa3-A67F-582D9347EECD} - C:\WINDOWS\System32\TD.exe (file missing)
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Organise-notes - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Program Files\Fichiers communs\Microsoft Shared\Encarta Researcher\EROPROJ.DLL
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
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1125601276813
O16 - DPF: {C36112BF-2FA3-4694-8603-3B510EA3B465} (Lycos File Upload Component) - http://f004.mail.caramail.lycos.fr/app/uploader/FileUploader.cab
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Program Files\AVPersonal\AVGUARD.EXE
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Program Files\AVPersonal\AVWUPSRV.EXE
O23 - Service: lxbu_device - Lexmark International, Inc. - C:\WINDOWS\System32\lxbucoms.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe