Prob avec page demarrage

bonjour

j'ai un prob avec la page de demarrage. Des adresses non voulues reviennent de maniere inopportunes et c'est lourdingue!!

j'ai suivi les instructions données a d'autres qui avaient eu le meme prob; j'ai fait un scan avec "hijackthis"; maintenant qui peut me dire quelles lignes supprimer???

voici le scan
Logfile of HijackThis v1.97.7
Scan saved at 02:55:05, on 01/01/2004
Platform: Windows XP (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 (6.00.2600.0000)

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.search-space.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.search-space.com/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = http://www.search-space.com/
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\System32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [PS2] C:\WINDOWS\system32\ps2.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\System32\spool\drivers\w32x86\3\hpztsb04.exe
O4 - HKLM\..\Run: [Share-to-Web Namespace Daemon] C:\Program Files\Hewlett-Packard\HP Share-to-Web\hpgs2wnd.exe
O4 - HKLM\..\Run: [MediaLoads Installer] "C:\Program Files\DownloadWare\dw.exe" /H
O4 - HKLM\..\Run: [Bargains] C:\Program Files\Bargain Buddy\bin2\bargains.exe
O4 - HKLM\..\Run: [WhenUSave] C:\PROGRA~1\Save\Save.exe
O4 - HKLM\..\Run: [CnxDslTaskBar] C:\Program Files\Olitec\USB ADSL\CnxDslTb.exe
O4 - HKLM\..\Run: [AVGCtrl] C:\Program Files\AVPersonal\AVGNT.EXE /min
O4 - HKLM\..\Run: [NsUpdate] C:\WINDOWS\NsUpdate.exe UPDATE
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\System32\P2P Networking\P2P Networking.exe /AUTOSTART
O4 - HKLM\..\Run: [KAZAA] C:\Program Files\Kazaa\kazaa.exe /SYSTRAY
O4 - HKLM\..\Run: [updater] C:\Program Files\Common files\updater\wupdater.exe
O4 - HKLM\..\Run: [AltnetPointsManager] c:\program files\altnet\points manager\points manager.exe -s
O4 - HKLM\..\Run: [CMESys] "C:\Program Files\Fichiers communs\CMEII\CMESys.exe"
O4 - HKLM\..\Run: [MsSystem] c:\mssys.exe
O4 - HKLM\..\Run: [Windows Shell Library Loader] load shell.dll /c /set
O4 - HKCU\..\Run: [Microsoft Works Update Detection] C:\Program Files\Microsoft Works\WkDetect.exe
O4 - HKCU\..\Run: [WeatherCast] C:\Program Files\WeatherCast\Weather.exe /q
O4 - HKCU\..\Run: [Gadwin PrintScreen 2.6] C:\Program Files\Gadwin Systems\PrintScreen\PrintScreen.exe /nosplash
O4 - HKCU\..\Run: [Yahoo! Pager] C:\PROGRA~1\Yahoo!\MESSEN~1\ypager.exe -quiet
O4 - HKCU\..\Run: [AddClass] C:\WINDOWS\AddClass.exe
O4 - HKCU\..\Run: [winlogon] c:\windows\winlogon.exe
O4 - HKCU\..\Run: [QuickTime Task] c:\windows\qttasks.exe
O4 - Startup: CuteShield Internet Eraser.lnk = C:\Program Files\SysShield Tools\Internet Eraser\cseraser.exe
O4 - Global Startup: Adobe Gamma Loader.lnk = C:\Program Files\Fichiers communs\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: GStartup.lnk = C:\Program Files\Fichiers communs\GMT\GMT.exe
O4 - Global Startup: hp center.lnk = C:\Program Files\hp center\137903\Program\BackWeb-137903.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office10\OSA.EXE
O8 - Extra context menu item: &Google Search - res://C:\Program Files\Google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: Backward &Links - res://C:\Program Files\Google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cac&hed Snapshot of Page - res://C:\Program Files\Google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: Si&milar Pages - res://C:\Program Files\Google\GoogleToolbar2.dll/cmsimilar.html
O9 - Extra button: xxx (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: MoneySide (HKLM)
O9 - Extra button: Yahoo! Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Yahoo! Messenger (HKLM)
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: Messenger (HKLM)
O9 - Extra button: CuteShield Internet Eraser (HKCU)
O12 - Plugin for .mov: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin.dll
O12 - Plugin for .mpeg: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin3.dll
O12 - Plugin for .png: C:\Program Files\Internet Explorer\PLUGINS\npqtplugin4.dll
O13 - DefaultPrefix: http://ehttp.cc/?
O13 - WWW Prefix: http://ehttp.cc/?
O13 - WWW. Prefix: http://ehttp.cc/?
O16 - DPF: {1D6711C8-7154-40BB-8380-3DEA45B69CBF} (Web P2P Installer) -
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://active.macromedia.com/flash2/cabs/swflash.cab
O16 - DPF: {F04A8AE2-A59D-11D2-8792-00C04F8EF29D} (Hotmail Attachments Control) - http://sea1fd.sea1.hotmail.msn.com/activex/HMAtchmt.ocx
O16 - DPF: {F58E1CEF-A068-4C15-BA5E-587CAF3EE8C6} (MSN Chat Control 4.5) - http://chat.msn.com/bin/msnchat45.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{FB7E1B6B-4BAC-4DCE-BD9D-EBA7991B3186}: NameServer = 213.36.80.1 213.36.80.1
O19 - User stylesheet: C:\WINDOWS\sample.txt
O19 - User stylesheet: C:\WINDOWS\hh.htt (HKLM)

merci de votre aide