[xp] problème barre des tâches

Bonjour j'ai le même prbolème que sur un post du même sujet mais la solution proposée ne résout pas mon problème :
voici le souci, ma barre des taches devient grise (à la windows 98 dès qu un troyen doit se manifester )

Logfile of HijackThis v1.99.1
Scan saved at 20:22:12, on 15/01/2007
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\DAEMON Tools\daemon.exe
C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
C:\PROGRA~1\GOTOSO~1\VADERE~1\Vaderetro_oe.exe
C:\WINDOWS\system32\CTHELPER.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\WINDOWS\system32\LVCOMSX.EXE
C:\Program Files\Alwil Software\Avast4\ashServ.exe
D:\applis\quickcam\LogiTray.exe
C:\Program Files\SlySoft\AnyDVD\AnyDVD.exe
C:\Program Files\ATI Technologies\ATI.ACE\CLI.EXE
D:\applis\AVG Anti-Spyware 7.5\avgas.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
D:\applis\AVG Anti-Spyware 7.5\guard.exe
C:\Program Files\EssentialPIM\EssentialPIM.exe
D:\applis\Football365 Toolbar\Football365 Toolbar\launcher.exe
C:\Program Files\CyberLink\Shared files\RichVideo.exe
C:\WINDOWS\system32\svchost.exe
D:\applis\Football365 Toolbar\Football365 Toolbar\Football365 Toolbar.exe
D:\applis\quickcam\FxSvr2.exe
C:\Program Files\Fichiers communs\Nosibay\RunningObjectRegistry.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
D:\applis\hjt\hijackthis_hijackthis_1.99.1_anglais_17891.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = https://www.google.fr/?gws_rd=ssl
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.google.fr/toolbar/ie8/sidebar.html
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://www.google.fr/keyword/%s
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = https://www.google.fr/?gws_rd=ssl
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: PDFCreator Toolbar Helper - {C451C08A-EC37-45DF-AAAD-18B51AB5E837} - C:\Program Files\PDFCreator Toolbar\v3.0.0.0\PDFCreator_Toolbar.dll
O3 - Toolbar: PDFCreator Toolbar - {31CF9EBE-5755-4A1D-AC25-2834D952D9B4} - C:\Program Files\PDFCreator Toolbar\v3.0.0.0\PDFCreator_Toolbar.dll
O4 - HKLM\..\Run: [nForce Tray Options] sstray.exe /r
O4 - HKLM\..\Run: [ATIPTA] "C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe"
O4 - HKLM\..\Run: [DAEMON Tools] "C:\Program Files\DAEMON Tools\daemon.exe" -lang 1033
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [Vade Retro Outlook Express] "C:\PROGRA~1\GOTOSO~1\VADERE~1\Vaderetro_oe.exe"
O4 - HKLM\..\Run: [WINDVDPatch] CTHELPER.EXE
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [Jet Detection] D:\sblive\PROGRAM\ADGJDet.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] D:\applis\quickcam\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] D:\applis\quickcam\LogiTray.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - HKLM\..\Run: [LanguageShortcut] "C:\Program Files\CyberLink\PowerDVD\Language\Language.exe"
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\CLIStart.exe"
O4 - HKLM\..\Run: [AnyDVD] C:\Program Files\SlySoft\AnyDVD\AnyDVD.exe
O4 - HKLM\..\Run: [!AVG Anti-Spyware] "D:\applis\AVG Anti-Spyware 7.5\avgas.exe" /minimized
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\Run: [EssentialPIM] "C:\Program Files\EssentialPIM\EssentialPIM.exe" /autorun
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] D:\applis\quickcam\ManifestEngine.exe boot
O4 - HKCU\..\Run: [Football365 Toolbar] "D:\applis\Football365 Toolbar\Football365 Toolbar\launcher.exe"
O4 - Global Startup: Corel Family & Friends Reminders.LNK = C:\Corel\Print House Magic\cffrem.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~2\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O21 - SSODL: WPDShServiceObj - {AAA288BA-9A4C-45B0-95D7-94D524869DB5} - C:\WINDOWS\system32\WPDShServiceObj.dll
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ATI Smart - Unknown owner - C:\WINDOWS\system32\ati2sgag.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\Program Files\Alwil Software\Avast4\ashWebSv.exe" /service (file missing)
O23 - Service: AVG Anti-Spyware Guard - Anti-Malware Development a.s. - D:\applis\AVG Anti-Spyware 7.5\guard.exe
O23 - Service: DirectX Service (DirectXerf) - Unknown owner - C:\WINDOWS\system32\directx.exe (file missing)
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Cyberlink RichVideo Service(CRVS) (RichVideo) - Unknown owner - C:\Program Files\CyberLink\Shared files\RichVideo.exe
O23 - Service: Sandra Data Service (SandraDataSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2007.SP1\Win32\RpcDataSrv.exe
O23 - Service: Sandra Service (SandraTheSrv) - SiSoftware - C:\Program Files\SiSoftware\SiSoftware Sandra Lite 2007.SP1\RpcSandraSrv.exe

Merci pour toute aide