can't send mail thru hotmail & want to fix spybot scan

Hello
i want some help.
Can any one say me where can i find a firewall which is free and of easy to use.

i scanned yesterday my computer with spybot and this is my spybot log:

-- Report generated: 2005-01-23 03:27 ---

Haxdoor-H: Bibliothèque (Fichier, nothing done)
C:\WINDOWS\SYSTEM\klogini.dll

Haxdoor-H: Bibliothèque (Fichier, nothing done)
C:\WINDOWS\SYSTEM\draw32.dll

Haxdoor-H: Donnée (Fichier, nothing done)
C:\WINDOWS\SYSTEM\i.a3d

DSO Exploit: Data source object exploit (Modification du registre, nothing done)
HKEY_USERS\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\0\1004!=W=3


--- Spybot - Search && Destroy version: 1.3 ---
2004-11-29 Includes\Cookies.sbi
2005-01-04 Includes\Dialer.sbi
2005-01-04 Includes\Hijackers.sbi
2004-12-29 Includes\Keyloggers.sbi
2005-01-04 Includes\Malware.sbi
2004-11-29 Includes\Revision.sbi
2004-11-29 Includes\Security.sbi
2005-01-05 Includes\Spybots.sbi
2005-01-04 Includes\Trojans.sbi
2004-05-12 Includes\LSP.sbi
2004-11-29 Includes\Tracks.utiwhen i tried to correct the problem i see a message like the "KERN.DLL" application is being stopped and then nothing else. Now i cannot send a message by hotmail.

I also want to know how to fix the DSO Expoloit.

Here I post the hijackthis log ( i don't know if it could help) : Logfile of HijackThis v1.97.7
Scan saved at 15:16:53, on 23/01/2005
Platform: Windows ME (Win9x 4.90.3000)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\WINDOWS\SYSTEM\SSDPSRV.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHSERV.EXE
C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\SYSTEM\RPCSS.EXE
C:\WINDOWS\SYSTEM\RESTORE\STMGR.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\WINDOWS\SYSTEM\QTTASK.EXE
C:\PROGRAM FILES\WINAMP\WINAMPA.EXE
C:\PROGRAM FILES\ZONE LABS\ZONEALARM\ZLCLIENT.EXE
C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\ASHMAISV.EXE
C:\WINDOWS\RunDLL.exe
C:\PROGRAM FILES\VOISSANOPUBS\VOISSANOPUBS.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\WINDOWS\SYSTEM\RNAAPP.EXE
C:\WINDOWS\SYSTEM\TAPISRV.EXE
C:\PROGRAM FILES\INTERNET EXPLORER\IEXPLORE.EXE
C:\MES DOCUMENTS\LOGICIELS\HIJACKTHIS(1.98.2).EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = about:blank
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.fr/
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Window Title = Microsoft Internet Explorer
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Liens
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,Shellnext = http://10.0.0.138
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHELPER.DLL
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [PCHealth] C:\WINDOWS\PCHealth\Support\PCHSchd.exe -s
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [AOL icon] C:\aolmicon.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\WINDOWS\SYSTEM\QTTASK.EXE" -atboottime
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - HKLM\..\Run: [Zone Labs Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [ashMaiSv] C:\PROGRA~1\ALWILS~1\AVAST4\ashmaisv.exe
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [SSDPSRV] C:\WINDOWS\SYSTEM\ssdpsrv.exe
O4 - HKLM\..\RunServices: [*StateMgr] C:\WINDOWS\System\Restore\StateMgr.exe
O4 - HKLM\..\RunServices: [avast!] C:\Program Files\Alwil Software\Avast4\ashServ.exe
O4 - HKLM\..\RunServices: [TrueVector] C:\WINDOWS\SYSTEM\ZONELABS\VSMON.EXE -service
O4 - HKCU\..\Run: [Taskbar Display Controls] RunDLL deskcp16.dll,QUICKRES_RUNDLLENTRY
O4 - HKCU\..\Run: [Voissa No Pubs] C:\PROGRAM FILES\VOISSANOPUBS\VOISSANOPUBS.EXE -hide
O4 - HKCU\..\Run: [Gadu-Gadu] "C:\PROGRAM FILES\GADU-GADU\GG.EXE" /tray
O4 - Startup: Microsoft Office.lnk = C:\Program Files\Microsoft Office\Office\OSA9.EXE
O8 - Extra context menu item: &Recherche AOL Toolbar - res://C:\PROGRAM FILES\AOL TOOLBAR\TOOLBAR.DLL/SEARCH.HTML
O9 - Extra button: Messenger (HKLM)
O9 - Extra 'Tools' menuitem: MSN Messenger Service (HKLM)
O9 - Extra button: Real.com (HKLM)
O9 - Extra button: Related (HKLM)
O9 - Extra 'Tools' menuitem: Show &Related Links (HKLM)
O9 - Extra button: Ajouter un Pop-Up (HKLM)
O9 - Extra 'Tools' menuitem: Tools Menu Item (HKLM)
O14 - IERESET.INF: START_PAGE_URL=http://www.continentaledison.com
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.c...8345.3946412037
O16 - DPF: {B38870E4-7ECB-40DA-8C6A-595F0A5519FF} (MsnMessengerSetupDownloadControl Class) - http://messenger.msn.com/download/m...pdownloader.cab