Doublette: bannière warning

bonjour
bonjour
pouvez vous m'aider concernant cette bannière "warning..."
merci

Logfile of HijackThis v1.99.1
Scan saved at 19:25:58, on 25/11/2005
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
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\AVPersonal\AVGUARD.EXE
C:\Program Files\AVPersonal\AVWUPSRV.EXE
C:\WINDOWS\system32\pctspk.exe
C:\Program Files\AVPersonal\AVGNT.EXE
C:\Program Files\Java\j2re1.4.2_05\bin\jusched.exe
C:\Program Files\Winamp\winampa.exe
C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\90.tmp.exe
C:\Program Files\Spyware Doctor\swdoctor.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\wscntfy.exe
C:\Program Files\Jasc Software Inc\Paint Shop Pro 7\psp.exe
C:\Program Files\Crazy Browser\Crazy Browser.exe
C:\Documents and Settings\Administrateur\Bureau\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page =
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = about:blank
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = about:blank
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName =
R3 - Default URLSearchHook is missing
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\system32\msdxm.ocx
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [AVGCtrl] C:\Program Files\AVPersonal\AVGNT.EXE /min
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_05\bin\jusched.exe
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [FLon] C:\WINDOWS\wjmxyg.exe
O4 - HKLM\..\Run: [mskz32.exe] C:\WINDOWS\system32\mskz32.exe
O4 - HKLM\..\Run: [90.tmp] C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\90.tmp.exe
O4 - HKLM\..\Run: [91.tmp] C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\91.tmp.exe
O4 - HKLM\..\Run: [90.tmp.exe] C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\90.tmp.exe
O4 - HKLM\..\Run: [91.tmp.exe] C:\DOCUME~1\ADMINI~1\LOCALS~1\Temp\91.tmp.exe
O4 - HKLM\..\RunOnce: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /C /FS /X
O4 - HKCU\..\Run: [Spyware Doctor] "C:\Program Files\Spyware Doctor\swdoctor.exe" /Q
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_05\bin\npjpi142_05.dll
O9 - Extra 'Tools' menuitem: Console Java (Sun) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_05\bin\npjpi142_05.dll
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\Microsoft Office\OFFICE11\REFIEBAR.DLL
O23 - Service: AntiVir Service (AntiVirService) - H+BEDV Datentechnik GmbH - C:\Program Files\AVPersonal\AVGUARD.EXE
O23 - Service: AntiVir Update (AVWUpSrv) - H+BEDV Datentechnik GmbH, Germany - C:\Program Files\AVPersonal\AVWUPSRV.EXE
O23 - Service: PCTEL Speaker Phone (Pctspk) - PCtel, Inc. - C:\WINDOWS\system32\pctspk.exe