Probleme avec explorer et les vidéo

Bonjour, Ça commenecer aujourd'hui! Ma clé d'avast étais terminer je décide d'installer AVG et apès les probleme on commencer , je ne suis plus capable d'accéder au page de youtube , regarder des vidéo meme accéder a la page de hotmail!?! mon ordi run normal. Mais Window média player de fonctionne plus, Jcomprend rien

j'ai fait un Hijactjis voila ;

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 23:03:18, on 2008-09-28
Platform: Windows Vista (WinNT 6.00.1904)
MSIE: Internet Explorer v7.00 (7.00.6000.16711)
Boot mode: Normal

Running processes:
C:\Windows\system32\Dwm.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\taskeng.exe
C:\Windows\System32\mobsync.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\WINDOWS\System32\rundll32.exe
C:\WINDOWS\RtHDVCpl.exe
C:\WINDOWS\System32\rundll32.exe
C:\Program Files\BigFix\bigfix.exe
C:\Program Files\SiteAdvisor\6261\SiteAdv.exe
C:\Program Files\HP\HP Software Update\hpwuSchd2.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Alwil Software\Avast4\ashDisp.exe
C:\WINDOWS\ehome\ehtray.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\Program Files\Druide\Antidote\Gestionnaire Antidote.exe
C:\Program Files\Windows Media Player\wmpnscfg.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\Program Files\NDAS\System\ndasmgmt.exe
C:\Windows\ehome\ehmsas.exe
C:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
C:\Program Files\Internet Explorer\ieuser.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\HP\Smart Web Printing\hpswp_clipbook.exe
C:\Program Files\Common Files\Microsoft Shared\Windows Live\WLLoginProxy.exe
C:\Windows\system32\wuauclt.exe
C:\Windows\system32\SearchFilterHost.exe
C:\Users\Gateway\Desktop\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.sympatico.ca/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = https://www.gateway.com/g/startpage.html?Ch=Retail&SubCH=nofound&Br=GTW&Loc=FRN_CA&Sys=DTP&M=GT5634H
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = https://www.bing.com/?toHttps=1&redig=5FC791212101479BAFBE1A679848B1AF
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.gateway.com/g/startpage.html?Ch=Retail&SubCH=nofound&Br=GTW&Loc=FRN_CA&Sys=DTP&M=GT5634H
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = https://www.gateway.com/g/sidepanel.html?Ch=Retail&SubCH=nofound&Br=GTW&Loc=FRN_CA&Sys=DTP&M=GT5634H
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - URLSearchHook: Winamp Search Class - {57BCA5FA-5DBB-45a2-B558-1755C3F6253B} - C:\Program Files\Winamp Toolbar\winamptb.dll
O1 - Hosts: ::1 localhost
O2 - BHO: HP Print Clips - {053F9267-DC04-4294-A72C-58F732D338C0} - C:\Program Files\HP\Smart Web Printing\hpswp_framework.dll
O2 - BHO: Aide pour le lien d'Adobe PDF Reader - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {089FD14D-132B-48FC-8861-0048AE113215} - C:\Program Files\SiteAdvisor\6261\SiteAdv.dll
O2 - BHO: Winamp Toolbar Loader - {25CEE8EC-5730-41bc-8B58-22DDC8AB8C20} - C:\Program Files\Winamp Toolbar\winamptb.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Programme d'aide de l'Assistant de connexion Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: McAfee SiteAdvisor - {0BF43445-2F28-4351-9252-17FE6E806AA0} - C:\Program Files\SiteAdvisor\6261\SiteAdv.dll
O3 - Toolbar: Winamp Toolbar - {EBF2BA02-9094-4c5a-858B-BB198F3D8DE2} - C:\Program Files\Winamp Toolbar\winamptb.dll
O4 - HKLM\..\Run: [Windows Defender] %ProgramFiles%\Windows Defender\MSASCui.exe -hide
O4 - HKLM\..\Run: [NvSvc] RUNDLL32.EXE C:\Windows\system32\nvsvc.dll,nvsvcStart
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\Windows\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\Windows\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [RtHDVCpl] RtHDVCpl.exe
O4 - HKLM\..\Run: [Google Desktop Search] "C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKLM\..\Run: [BigFix] c:\program files\Bigfix\bigfix.exe /atstartup
O4 - HKLM\..\Run: [CloneCDTray] "C:\Program Files\SlySoft\CloneCD\CloneCDTray.exe" /s
O4 - HKLM\..\Run: [SiteAdvisor] "C:\Program Files\SiteAdvisor\6261\SiteAdv.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [NeroCheck] C:\Windows\system32\NeroCheck.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\RunOnce: [Launcher] %WINDIR%\SMINST\launcher.exe
O4 - HKCU\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter
O4 - HKCU\..\Run: [ehTray.exe] C:\Windows\ehome\ehTray.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\Windows Live\Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [Gestionnaire Antidote.exe] C:\Program Files\Druide\Antidote\Gestionnaire Antidote.exe
O4 - HKCU\..\Run: [WMPNSCFG] C:\Program Files\Windows Media Player\WMPNSCFG.exe
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [Gestionnaire Antidote.exe] C:\Program Files\Druide\Antidote\Gestionnaire Antidote.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [Gestionnaire Antidote.exe] C:\Program Files\Druide\Antidote\Gestionnaire Antidote.exe (User 'Default user')
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O4 - Global Startup: NDAS Device Management.lnk = C:\Program Files\NDAS\System\ndasmgmt.exe
O8 - Extra context menu item: &Winamp Search - C:\ProgramData\Winamp Toolbar\ieToolbar\resources\en-US\local\search.html
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) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.6.0_01\bin\ssv.dll
O9 - Extra button: Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra 'Tools' menuitem: &Envoyer à OneNote - {2670000A-7350-4f3c-8081-5663EE0C6C49} - C:\PROGRA~1\MICROS~2\Office12\ONBttnIE.dll
O9 - Extra button: Livre de reliures HP - {58ECB495-38F0-49cb-A538-10282ABF65E7} - C:\Program Files\HP\Smart Web Printing\hpswp_extensions.dll
O9 - Extra button: Sélection intelligente HP - {700259D7-1666-479a-93B1-3250410481E8} - C:\Program Files\HP\Smart Web Printing\hpswp_extensions.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Correcteur - {F7C8E5F6-B6D1-45db-8D91-2BCFA5DF11A9} - C:\Program Files\Druide\Antidote\Internet Explorer\7\Antidote K - IE 7.htm (HKCU)
O9 - Extra button: Dictionnaires - {F9B969E8-58D0-4dd9-AC8A-EE2336FF8F65} - C:\Program Files\Druide\Antidote\Internet Explorer\7\Antidote D - IE 7.htm (HKCU)
O9 - Extra button: Guides - {FA089E36-3F1B-4c51-9A1A-C4E7012483AF} - C:\Program Files\Druide\Antidote\Internet Explorer\7\Antidote G - IE 7.htm (HKCU)
O13 - Gopher Prefix:
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) - http://appldnld.apple.com/QuickTime/qtactivex/qtplugin.cab
O16 - DPF: {4F1E5B1A-2A80-42CA-8532-2D05CB959537} (MSN Photo Upload Tool) - http://gfx1.hotmail.com/mail/w2/resources/VistaMSNPUpldfr-ca.cab
O20 - AppInit_DLLs: C:\PROGRA~1\Google\GOOGLE~1\GOEC62~1.DLL
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: avast! Antivirus - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
O23 - Service: avast! Web Scanner - ALWIL Software - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
O23 - Service: Service Bonjour (Bonjour Service) - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: GameConsoleService - WildTangent, Inc. - C:\Program Files\Gateway Games\Gateway Game Console\GameConsoleService.exe
O23 - Service: GoogleDesktopManager - Google - C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: Service de l’iPod (iPod Service) - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: NDAS Service (ndassvc) - XIMETA, Inc. - C:\Program Files\NDAS\System\ndassvc.exe
O23 - Service: PACSPTISVR - Unknown owner - C:\Program Files\Common Files\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: Service SiteAdvisor (SiteAdvisor Service) - Unknown owner - C:\Program Files\SiteAdvisor\6261\SAService.exe
O23 - Service: SonicStage Back-End Service - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SsBeSvc.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SonicStage SCSI Service (SSScsiSV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SSScsiSV.exe
O23 - Service: XAudioService - Conexant Systems, Inc. - C:\Windows\system32\DRIVERS\xaudio.exe