FIREFOX me perd les favoris!!!!

bonjour a tous!!

j ai un gros probleme depuis pas mal de temps!! :

Regulierement, mon pc reboot lorsque je ferme mon firefox, et a la reouverture de celui ci, mes favoris disparaissent!!

Je me demande ou est le probleme, et apparament personne connait la reponse.....

J ai fait des analyses, nettoye mon pc, et je ne vois pas

Si qq1 a deja rencontre ce probleme, et peux m aider ca serait tres cool!! merci

Je vous fait parvenir un log de ma machine au cas ou merci d avance et a tous!!!

Logfile of HijackThis v1.99.1
Scan saved at 08:57:20, on 17/03/2006
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\Ati2evxx.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\administration\securite\antivirus\avast\aswUpdSv.exe
C:\WINDOWS\ATKKBService.exe
C:\administration\securite\antivirus\avast\ashServ.exe
C:\WINDOWS\SOUNDMAN.EXE
C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
C:\ADMINI~1\securite\ANTIVI~1\avast\ashDisp.exe
C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe
C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
C:\WINDOWS\system32\svchost.exe
C:\administration\securite\firewall\ZoneAlarm\zlclient.exe
C:\WINDOWS\system32\ZoneLabs\vsmon.exe
D:\Palm\Hotsync.exe
C:\administration\securite\antivirus\avast\ashMaiSv.exe
C:\administration\securite\antivirus\avast\ashWebSv.exe
C:\administration\navigateur\firefox.exe
C:\administration\securite\antiespion\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://auto.search.msn.com/respons [...] prov=&utf8
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\ADMINI~1\securite\ANTIES~1\SPYBOT~1\SDHelper.dll
O3 - Toolbar: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Program Files\Yahoo!\Companion\Installs\cpn\yt.dll
O4 - HKLM\..\Run: [SoundMan] SOUNDMAN.EXE
O4 - HKLM\..\Run: [ATIPTA] C:\Program Files\ATI Technologies\ATI Control Panel\atiptaxx.exe
O4 - HKLM\..\Run: [avast!] C:\ADMINI~1\securite\ANTIVI~1\avast\ashDisp.exe
O4 - HKLM\..\Run: [SpeedTouch USB Diagnostics] "C:\Program Files\Alcatel\SpeedTouch USB\Dragdiag.exe" /icon
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [Zone Labs Client] C:\administration\securite\firewall\ZoneAlarm\zlclient.exe
O4 - HKLM\..\Run: [KernelFaultCheck] %systemroot%\system32\dumprep 0 -k
O4 - Startup: Palm Registration.lnk = D:\Palm\register.exe
O4 - Global Startup: Adobe Reader Speed Launch.lnk = C:\Program Files\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: HOTSYNCSHORTCUTNAME.lnk = D:\Palm\Hotsync.exe
O8 - Extra context menu item: E&xporter vers Microsoft Excel - res://D:\BUREAU~1\OFFICE~1\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: Recherche - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - D:\BUREAU~1\OFFICE~1\OFFICE11\REFIEBAR.DLL
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: {17492023-C23A-453E-A040-C7C580BBF700} (Windows Genuine Advantage Validation Tool) - http://go.microsoft.com/fwlink/?linkid=39204
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/window [...] 8615773031
O17 - HKLM\System\CCS\Services\Tcpip\..\{2BEB56F4-2F41-4988-ACF7-F1FE031D747E}: NameServer = 212.151.136.246 212.151.137.166
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - "C:\PROGRA~1\MSNMES~1\msgrapp.dll" (file missing)
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - Unknown owner - C:\administration\securite\antivirus\avast\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: ATK Keyboard Service (ATKKeyboardService) - ASUSTeK COMPUTER INC. - C:\WINDOWS\ATKKBService.exe
O23 - Service: avast! Antivirus - Unknown owner - C:\administration\securite\antivirus\avast\ashServ.exe
O23 - Service: avast! Mail Scanner - Unknown owner - C:\administration\securite\antivirus\avast\ashMaiSv.exe" /service (file missing)
O23 - Service: avast! Web Scanner - Unknown owner - C:\administration\securite\antivirus\avast\ashWebSv.exe" /service (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Fichiers communs\InstallShield\Driver\11\Intel 32\IDriverT.exe
O23 - Service: iPodService - Apple Computer, Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZoneLabs\vsmon.exe