Qlq pourrai m analyse hijackthis merci

Bonjour,
voila depuis presque un mois j essaie de telecharger d anti virus , windows messenger mais ca ne passe pas , une page de serveur introuvable s affiche alors j ai fait une anaylse de trend micro chijackthis et voici le resultat
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 06:48:11, on 15/06/2009
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

Running processes:
D:\WINDOWS\System32\smss.exe
D:\WINDOWS\system32\winlogon.exe
D:\WINDOWS\system32\services.exe
D:\WINDOWS\system32\lsass.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\System32\svchost.exe
D:\WINDOWS\system32\spoolsv.exe
D:\WINDOWS\system32\svchost.exe
D:\WINDOWS\Explorer.exe
D:\Program Files\Internet Explorer\iexplore.exe
D:\Program Files\Messenger\msmsgs.exe
D:\WINDOWS\system32\ctfmon.exe
D:\Program Files\Internet Explorer\iexplore.exe
D:\Documents and Settings\Administrateur\Mes documents\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
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.msn.com/fr-fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
F2 - REG:system.ini: Shell=Explorer.exe
F2 - REG:system.ini: UserInit=userinit.exe
O2 - BHO: &Yahoo! Toolbar Helper - {02478D38-C3F9-4efb-9B51-7695ECA05670} - D:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O2 - BHO: Skype add-on (mastermind) - {22BF413B-C6D2-4d91-82A9-A0F997BA588C} - D:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O2 - BHO: SingleInstance Class - {FDAD4DA1-61A2-4FD8-9C17-86F7AC245081} - D:\Program Files\Yahoo!\Companion\Installs\cpn\YTSingleInstance.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - D:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKCU\..\Run: [ctfmon.exe] D:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-19\..\Run: [CTFMON.EXE] D:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE LOCAL')
O4 - HKUS\S-1-5-20\..\Run: [CTFMON.EXE] D:\WINDOWS\system32\CTFMON.EXE (User 'SERVICE RÉSEAU')
O4 - HKUS\S-1-5-18\..\Run: [CTFMON.EXE] D:\WINDOWS\system32\CTFMON.EXE (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [CTFMON.EXE] D:\WINDOWS\system32\CTFMON.EXE (User 'Default user')
O6 - HKCU\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O6 - HKLM\Software\Policies\Microsoft\Internet Explorer\Control Panel present
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://D:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - D:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - D:\Program Files\Messenger\msmsgs.exe
O9 - Extra button: Internet Cleaner - {45819E58-6E84-4A5D-BD65-A706981E5BE8} - D:\Program Files\Internet Cleaner\ICleaner.exe (HKCU)
O9 - Extra 'Tools' menuitem: Internet Cleaner - {45819E58-6E84-4A5D-BD65-A706981E5BE8} - D:\Program Files\Internet Cleaner\ICleaner.exe (HKCU)
O10 - Unknown file in Winsock LSP: d:\windows\system32\nwprovau.dll
O17 - HKLM\System\CCS\Services\Tcpip\Parameters: Domain = samaia.local
O17 - HKLM\Software\..\Telephony: DomainName = samaia.local
O17 - HKLM\System\CS1\Services\Tcpip\Parameters: Domain = samaia.local
O17 - HKLM\System\CS2\Services\Tcpip\Parameters: Domain = samaia.local
O17 - HKLM\System\CS3\Services\Tcpip\Parameters: Domain = samaia.local
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - D:\PROGRA~1\FICHIE~1\Skype\SKYPE4~1.DLL
O23 - Service: Pml Driver HPZ12 - HP - D:\WINDOWS\system32\HPZipm12.exe