Internet fige mon pc

Bon alors j ai cherché un peu partout google et sur le forum il y a des probleme légèrement similaire au mien
voila J ai un pc (sur XP) qui marchais très bien et depuis quelque temps il s ai mi a ce figé (on ne peux rien faire souris clavier ecran bloqué) et cela dès que le cable réseau allant sur ma live box et branché au pc j ai cherché une cause mais sans grand resultat sinon je ne serai pas la
Virus tester pas AVG, AVAST, j ai fait des teste AD-AWARD mais rien non plus donc voila
j ai fai un teste hijackthis le voila
Logfile of HijackThis v1.99.1
Scan saved at 18:06:33, on 30/08/2006
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

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\TGTSoft\StyleXP\StyleXPService.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\RealVNC\VNC4\WinVNC4.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
C:\Program Files\MessengerPlus! 3\MsgPlus.exe
C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe
C:\Program Files\Winamp\winampa.exe
C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb05.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\WINDOWS\System32\RUNDLL32.EXE
C:\Program Files\SEC\MagicTune 2.5\GammaTray.exe
C:\Program Files\Pixoria\Konfabulator\Konfabulator.exe
C:\Program Files\Stardock\ObjectDock\ObjectDock.exe
C:\PROGRA~1\INCRED~1\bin\IMApp.exe
C:\Program Files\Pixoria\Konfabulator\Konfabulator.exe
C:\Program Files\Pixoria\Konfabulator\Konfabulator.exe
C:\Program Files\Pixoria\Konfabulator\Konfabulator.exe
C:\Program Files\Pixoria\Konfabulator\Konfabulator.exe
C:\Program Files\Micro Application\Les 4 Dictionnaires Utiles\MediaDICO4Ut.EXE
C:\Program Files\Micro Application\Les 4 Dictionnaires Utiles\Rac4Ut.EXE
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Alwil Software\Avast4\ashSimpl.exe
I:\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = file:///F:/DOC-SITE%20INTERNET/Page%20Favoris.htm
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - <default> - (no file)
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:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Accoona Search Assistant - {944864A5-3916-46E2-96A9-A2E84F3F1208} - C:\Program Files\Accoona\ASearchAssist.dll (file missing)
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_02\bin\jusched.exe
O4 - HKLM\..\Run: [MessengerPlus3] "C:\Program Files\MessengerPlus! 3\MsgPlus.exe"
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NVCLOCK] rundll32 nvclock.dll,fnNvclock
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb05.exe
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKCU\..\Run: [IncrediMail] C:\Program Files\IncrediMail\bin\IncMail.exe /c
O4 - HKCU\..\Run: [MediaDICO4Ut] C:\Program Files\Micro Application\Les 4 Dictionnaires Utiles\LanceMediaDICO4Ut.exe Lancement
O4 - HKCU\..\Run: [STYLEXP] C:\Program Files\TGTSoft\StyleXP\StyleXP.exe -Hide
O4 - HKCU\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\System32\NVMCTRAY.DLL,NvTaskbarInit
O4 - Startup: Konfabulator.lnk = C:\Program Files\Pixoria\Konfabulator\Konfabulator.exe
O4 - Startup: Stardock ObjectDock.lnk = C:\Program Files\Stardock\ObjectDock\ObjectDock.exe
O4 - Global Startup: Color Calibration.lnk = ?
O4 - Global Startup: Lancement rapide d'Adobe Reader.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_02\bin\npjpi150_02.dll
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site....
O17 - HKLM\System\CCS\Services\Tcpip\..\{5D39D962-E9A8-4807-889A-82CA6E0AC005}: NameServer = 192.168.1.1
O17 - HKLM\System\CS1\Services\Tcpip\..\{5D39D962-E9A8-4807-889A-82CA6E0AC005}: NameServer = 192.168.1.1
O17 - HKLM\System\CS2\Services\Tcpip\..\{5D39D962-E9A8-4807-889A-82CA6E0AC005}: NameServer = 192.168.1.1
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.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: AVG7 Alert Manager Server (Avg7Alrt) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgamsvr.exe
O23 - Service: AVG7 Update Service (Avg7UpdSvc) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgupsvc.exe
O23 - Service: AVG E-mail Scanner (AVGEMS) - GRISOFT, s.r.o. - C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O23 - Service: Macromedia Licensing Service - Unknown owner - C:\Program Files\Fichiers communs\Macromedia Shared\Service\Macromedia Licensing.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: StyleXPService - Unknown owner - C:\Program Files\TGTSoft\StyleXP\StyleXPService.exe
O23 - Service: VNC Server Version 4 (WinVNC4) - Unknown owner - C:\Program Files\RealVNC\VNC4\WinVNC4.exe" -service (file missing)

aidez moi svp merci