soucis de ralentissement

Bonjour, depuis plusieurs jours le PC ne fonctionne qu'en mode sans echec, j'ai sorti un rapport hijack mais mes competences... pouvez vous m filr un p'tit coup de pouce.
merci, voici le rapport

Logfile of HijackThis v1.99.1
Scan saved at 10:47:28, on 28/12/2005
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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\Explorer.EXE
\POSTE2\Adhérents\LE CYBERTPOINT\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://g.msn.fr/0SEFRFR/SAOS02
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.ardresis.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R3 - URLSearchHook: (no name) - - (no file)
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 5.0\Reader\ActiveX\AcroIEHelper.ocx
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: ST - {9394EDE7-C8B5-483E-8773-474BF36AF6E4} - C:\Program Files\MSN Apps\ST\01.03.0000.1005\en-xu\stmain.dll
O2 - BHO: Reactivator - {AC2E8306-D24E-4082-8669-7781499F4E03} - C:\PROGRA~1\EVERYT~1.1\everycom.dll
O2 - BHO: MSNToolBandBHO - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: MSN - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Program Files\MSN Apps\MSN Toolbar\01.02.4000.1001\fr\msntb.dll
O3 - Toolbar: Every Toolbar - {A20A76AD-7A29-4756-87FE-70C334CB40C0} - C:\PROGRA~1\EVERYT~1.1\everycom.dll
O4 - HKLM\..\Run: [Tweak UI] RUNDLL32.EXE TWEAKUI.CPL,TweakMeUp
O4 - HKLM\..\Run: [AVG7_CC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgcc.exe /STARTUP
O4 - HKLM\..\Run: [AVG7_EMC] C:\PROGRA~1\Grisoft\AVGFRE~1\avgemc.exe
O4 - HKLM\..\Run: [Control Kids] C:\Program Files\Control Kids\Control kids.exe
O4 - HKLM\..\Run: [TN Network] C:\Program Files\TN-Network - Client\TN-Network - Client.exe
O4 - Global Startup: Microsoft Office.lnk.disabled
O8 - Extra context menu item: &Every Toolbar Search - res://C:\PROGRA~1\EVERYT~1.1\everycom.dll/GoRSDN.dll.htm
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O16 - DPF: Interface Chat Wanadoo - http://chat10.x-echo.com/version6/Applet/wchatsign.cab
O16 - DPF: Yahoo! Backgammon - http://download.games.yahoo.com/ga [...] /at1_x.cab
O16 - DPF: Yahoo! Blackjack - http://download.games.yahoo.com/ga [...] /jt0_x.cab
O16 - DPF: Yahoo! Dominoes - http://download.games.yahoo.com/ga [...] dot8_x.cab
O16 - DPF: Yahoo! Literati - http://download.games.yahoo.com/ga [...] /tt3_x.cab
O16 - DPF: Yahoo! Pool 2 - http://download.games.yahoo.com/ga [...] pote_x.cab
O16 - DPF: Yahoo! Pyramids - http://download.games.yahoo.com/ga [...] pyt1_x.cab
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/bina [...] b28578.cab
O16 - DPF: {084DAC27-6FA3-4F55-9005-033F2F102F5C} (ITPPDiagIE Class) - http://data.jeuxclassiques.com/npwwg.cab
O16 - DPF: {15AD6789-CDB4-47E1-A9DA-992EE8E6BAD6} - http://static.loudcash.com/UCITest/Cabs/4484.cab
O16 - DPF: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/bina [...] b28578.cab
O16 - DPF: {94F5DCB7-816C-4B94-A2C1-856C6E323C5B} - http://akamai.downloadv3.com/binar [...] _FR_XP.cab
O16 - DPF: {ABB08127-7417-11D4-8566-00500448008D} (Chat Class) - http://downloads.winwise.fr/Common/npchatlax.cab
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/ [...] loader.cab
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/bina [...] b31267.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{253D8E28-E075-4629-9795-132DA0B7F757}: NameServer = 192.168.10.1,0.0.0.0
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O18 - Filter: text/html - {C6F62B7A-5450-4A2F-8687-6CEEC3AEB055} - C:\WINDOWS\system32\controlkids2.dll
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: TuneUp WinStyler Theme Service (TUWinStylerThemeSvc) - TuneUp Software GmbH - C:\Program Files\TuneUp Utilities 2004\WinStylerThemeSvc.exe