Pb svchost.exe et plus de copier/coller

bonsoir
j'ai un problème avec svchost.exe qui utilise 50% de mes ressources CPU
ma config :
win xp pro
AV : pack securité le neuf
ad-aware 6
je ne peux plus non plus faire de copier/coller

mon log hijackthis si ca peut vous aider
Logfile of HijackThis v1.99.1
Scan saved at 21:46:43, on 01/03/2007
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:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\VIA\RAID\raid_tool.exe
C:\WINDOWS\System32\RunDLL32.exe
C:\Program Files\Pack Securite\Common\FSM32.EXE
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\neuf telecom\neuf Box\Wizard\QuickAccess.exe
C:\WINDOWS\ATKKBService.exe
C:\PROGRA~1\PACKSE~1\backweb\361343\Program\SERVIC~1.EXE
C:\Program Files\Pack Securite\Anti-Virus\fsgk32st.exe
C:\Program Files\Pack Securite\Anti-Virus\FSGK32.EXE
C:\Program Files\Pack Securite\backweb\361343\program\fsbwsys.exe
C:\Program Files\Pack Securite\Common\FSMA32.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\Program Files\Pack Securite\Common\FSMB32.EXE
C:\Program Files\Pack Securite\Anti-Virus\fssm32.exe
C:\Program Files\Pack Securite\Common\FCH32.EXE
C:\Program Files\Pack Securite\Common\FAMEH32.EXE
C:\Program Files\Pack Securite\Anti-Virus\fsrw.exe
C:\Program Files\Pack Securite\FSPC\fspc.exe
C:\Program Files\Pack Securite\FWES\Program\fsdfwd.exe
C:\Program Files\Pack Securite\Anti-Virus\fsav32.exe
C:\PROGRA~1\PACKSE~1\ANTI-S~1\fsaw.exe
C:\Program Files\Pack Securite\FSGUI\fsguidll.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\WINDOWS\System32\taskmgr.exe
C:\Program Files\Pack Securite\backweb\361343\Program\fspex.exe
C:\Documents and Settings\yoann\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://home.neuf.fr
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://home.neuf.fr/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O4 - HKLM\..\Run: [RaidTool] C:\Program Files\VIA\RAID\raid_tool.exe
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /install
O4 - HKLM\..\Run: [NvMediaCenter] RunDLL32.exe NvMCTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [F-Secure Manager] "C:\Program Files\Pack Securite\Common\FSM32.EXE" /splash
O4 - HKLM\..\Run: [F-Secure TNB] "C:\Program Files\Pack Securite\TNB\TNBUtil.exe" /CHECKALL /WAITFORSW
O4 - HKLM\..\Run: [F-Secure Startup Wizard] "C:\Program Files\Pack Securite\FSGUI\FSSW.EXE" /reboot
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [Configuration de la neuf Box] C:\Program Files\neuf telecom\neuf Box\Wizard\QuickAccess.exe
O4 - Global Startup: Pack Securite.lnk = C:\Program Files\Pack Securite\backweb\361343\Program\fspex.exe
O8 - Extra context menu item: &Bloquer cette fenêtre publicitaire - C:\Program Files\Pack Securite\Anti-Spyware\blockpopups.htm
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Filtre Web - {200DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra button: (no name) - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra 'Tools' menuitem: Filtre Web - {200DB664-75B5-47c0-8B45-A44ACCF73F01} - C:\Program Files\Pack Securite\FSPC\fspcmsie.dll
O9 - Extra button: Protection Internet Explorer - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\Pack Securite\Anti-Spyware\ieshield.dll
O9 - Extra 'Tools' menuitem: Protection Internet Explorer... - {300DB664-75B5-47c0-8B45-A44ACCF73C00} - C:\Program Files\Pack Securite\Anti-Spyware\ieshield.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O10 - Broken Internet access because of LSP provider 'winsflt.dll' missing
O23 - Service: ATK Keyboard Service (ATKKeyboardService) - ASUSTeK COMPUTER INC. - C:\WINDOWS\ATKKBService.exe
O23 - Service: Pack Securite (BackWeb Plug-in - 361343) - BackWeb Technologies Inc. - C:\PROGRA~1\PACKSE~1\backweb\361343\Program\SERVIC~1.EXE
O23 - Service: FSGKHS (F-Secure Gatekeeper Handler Starter) - F-Secure Corp. - C:\Program Files\Pack Securite\Anti-Virus\fsgk32st.exe
O23 - Service: fsbwsys - F-Secure Corp. - C:\Program Files\Pack Securite\backweb\361343\program\fsbwsys.exe
O23 - Service: F-Secure Anti-Virus Firewall Daemon (FSDFWD) - F-Secure Corporation - C:\Program Files\Pack Securite\FWES\Program\fsdfwd.exe
O23 - Service: F-Secure HTTP Server (fshttps) - F-Secure Corporation - C:\Program Files\Pack Securite\FSPC\fshttps\fshttps.exe
O23 - Service: F-Secure Management Agent (FSMA) - F-Secure Corporation - C:\Program Files\Pack Securite\Common\FSMA32.EXE
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe

merci d'avance