pb fenêtre antivirus de toutes sortes au secours

bonjour. Depuis quelques jours j'ai des fenêtres qui s'ouvrent suite à des icônes d'alertes dans les barres + des messages du genre " idd2E.tmp non ho trovato...". J'ai avast mais rien n'y fait. Merci de votre aide.
ps voici le relevé de hijackthis
Logfile of HijackThis v1.99.1
Scan saved at 10:28:49, on 08/10/2006
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\System32\brsvc01a.exe
C:\WINDOWS\system32\LEXBCES.EXE
C:\WINDOWS\System32\brss01a.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Program Files\Alwil Software\Avast4\ashServ.exe
C:\WINDOWS\system32\drivers\CDAC11BA.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\MsPMSPSv.exe
C:\WINDOWS\system32\isnotify.exe
C:\Program Files\Fichiers communs\{4C301224-08F9-1036-0312-030620200021}\Update.exe
C:\Program Files\neuf telecom\neuf Box\Wizard\Agent_WiFi.exe
C:\Program Files\Alwil Software\Avast4\ashMaiSv.exe
C:\Program Files\Alwil Software\Avast4\ashWebSv.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\PROGRA~1\Logitech\Video\FxSvr2.exe
C:\Program Files\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://home.neuf.fr
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://runonce.msn.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = localhost
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
F2 - REG:system.ini: UserInit=C:\WINDOWS\system32\userinit.exe,userinit.exe
O1 - Hosts: 195.158.171.60 www.file-webber.de
O1 - Hosts: 195.158.171.60 file-webber.de
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar1.dll
O3 - Toolbar: ToolBar888 - {CBCC61FA-0221-4ccc-B409-CEE865CACA3A} - C:\Program Files\ToolBar888\MyToolBar.dll (file missing)
O3 - Toolbar: Safety Bar - {052b12f7-86fa-4921-8482-26c42316b522} - C:\Program Files\Safety Bar\SafetyBar.dll
O3 - Toolbar: &VSToolBar - {821F87FF-8245-4972-9E28-732E92EC2F51} - C:\Program Files\VSToolbar\VSToolBar.dll
O4 - HKCU\..\Run: [TVAgent WiFi] C:\Program Files\neuf telecom\neuf Box\Wizard\Agent_WiFi.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267....
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPACl...
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab281...
O16 - DPF: {31B7EB4E-8B4B-11D1-A789-00A0CC6651A8} (Cult3D ActiveX Player) - http://www.cult3d.com/download/cult.cab
O16 - DPF: {45E83043-1F6F-4D22-A5E7-0138EA171B49} (FileSharingCtrl Class) - http://appdirectory.messenger.msn.com/AppDirectory/P4Ap...
O16 - DPF: {56336BCB-3D8A-11D6-A00B-0050DA18DE71} (RdxIE Class) - http://207.188.7.150/103f02f27793aee15820/netzip/RdxIE6...
O16 - DPF: {6A060448-60F9-11D5-A6CD-0002B31F7455} (ExentInf Class) - http://metaboli.goa.com/components/Metaboli.ocx
O16 - DPF: {7DBFDA8E-D33B-11D4-9269-00600868E56E} (WWWInstall Class) - http://go.securelive.com/speed/WebInstall.dll
O16 - DPF: {86EEF11E-FF16-48CE-B1A2-474B663041A9} - http://11731.kit.carpediem.fr/FanDePorn.exe
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClie...
O16 - DPF: {9122D757-5A4F-4768-82C5-B4171D8556A7} (PhotoPickConvert Class) - http://appdirectory.messenger.msn.com/AppDirectory/P4Ap...
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary/ZIntro.cab32846.ca...
O16 - DPF: {BD393C14-72AD-4790-A095-76522973D6B8} (CBreakshotControl Class) - http://messenger.zone.msn.com/binary/Bankshot.cab31267....
O16 - DPF: {D1B80EBF-1A26-4FEC-B0B9-DCB934C6507E} - http://dialup.carpediem.fr/CABS/cd/1,0,3,8/fr/AccesMemb...
O16 - DPF: {E6187999-9FEC-46A1-A20F-F4CA977D5643} (ZoneChess Object) - http://messenger.zone.msn.com/binary/Chess.cab31267.cab
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/binary/SolitaireShowdown....
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: incestuously - {03413bf7-e34c-445b-bfc0-a2b127255871} - (no file)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\Program Files\Alwil Software\Avast4\aswUpdSv.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: BrSplService (Brother XP spl Service) - brother Industries Ltd - C:\WINDOWS\System32\brsvc01a.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\system32\drivers\CDAC11BA.EXE
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPod Service (iPodService) - Unknown owner - C:\Program Files\iPod\bin\iPodService.exe (file missing)
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: Steganos Live Encryption Engine (Version 401) [Service] (SLEE_401_SERVICE) - Unknown owner - C:\WINDOWS\System32\SLEE401.exe (file missing)
O23 - Service: Windows Log - Unknown owner - C:\WINDOWS\system32\nvsvcd.exe (file missing)