PB avec Free

Voila j'ai un gros PB avec mon PC , plus rien ne marche ...
J'ai des PB de connection impromptu , des PB de telechargement : j'ai Free 15mbits/sec et je DL a environ 5 ko/sec.
Mon PC Lag et Ram incesament , quel utre choix me proposierez vous a part Formater ?

J'ai utiliser le Logiciel HijackThis et voila le rapport :

Logfile of HijackThis v1.97.7
Scan saved at 14:57:45, on 21/11/2004
Platform: Windows XP SP1 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP1 (6.00.2800.1106)

Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\csrss.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\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Panda Software\Panda TruPrevent Personal\PavFnSvr.exe
C:\Program Files\Panda Software\Panda TruPrevent Personal\PavProt.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\System32\P2P Networking\P2P Networking.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\Panda Software\Panda TruPrevent Personal\APVXDWIN.EXE
C:\Program Files\MSN Messenger\msnmsgr.exe
C:\WINDOWS\System32\fdewd.exe
C:\Program Files\a2\a2guard.exe
C:\Program Files\Fichiers communs\Panda Software\PavShld\pavprsrv.exe
C:\Program Files\Panda Software\Panda TruPrevent Personal\prevsrv.exe
C:\Program Files\Panda Software\Panda TruPrevent Personal\PsImSvc.exe
C:\WINDOWS\System32\tcpsvcs.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\System32\wdfmgr.exe
C:\Program Files\Panda Software\Panda TruPrevent Personal\WebProxy.exe
C:\Program Files\teamspeak2_RC2\TeamSpeak.exe
C:\Program Files\The All-Seeing Eye\eye.exe
C:\Call Of Duty\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = about:NavigationFailure
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = about:NavigationFailure
R1 - HKCU\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:NavigationFailure
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = about:NavigationFailure
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = about:NavigationFailure
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = about:NavigationFailure
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,HomeOldSP = about:blank
O2 - BHO: (no name) - {B9D6B3C2-09AD-464A-8162-8C55114C808A} - C:\Program Files\AV VCS 3.0\Vcs3RT.dll
O2 - BHO: (no name) - {DAFD3118-8058-4313-8959-01A284405CD7} - C:\WINDOWS\System32\oknkfi.dll
O4 - HKLM\..\Run: [P2P Networking] C:\WINDOWS\System32\P2P Networking\P2P Networking.exe /AUTOSTART
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [APVXDWIN] "C:\Program Files\Panda Software\Panda TruPrevent Personal\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [VirusKeeper] C:\Program Files\AxBx\VirusKeeper 2005 Evaluation\VirusKeeper.exe
O4 - HKCU\..\Run: [msnmsgr] "C:\Program Files\MSN Messenger\msnmsgr.exe" /background
O4 - HKCU\..\Run: [JavaUpdate0.07] C:\WINDOWS\System32\fdewd.exe
O4 - HKCU\..\Run: [a-squared] "C:\Program Files\a2\a2guard.exe"
O4 - HKCU\..\Run: [a²] "C:\Program Files\a2\a2guard.exe"
O9 - Extra 'Tools' menuitem: Console Java (Sun) (HKLM)
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda truprevent personal\pavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda truprevent personal\pavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda truprevent personal\pavlsp.dll
O10 - Unknown file in Winsock LSP: c:\program files\panda software\panda truprevent personal\pavlsp.dll
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} (QuickTime Object) - http://www.apple.com/qtactivex/qtplugin.cab