Hace unos días tube que formatear mi maquina, pero los problemas han vuelto a aparecer, se blokea cada 2x3 no se que hacer!!!

Logfile of HijackThis v1.99.1
Scan saved at 23:52:21, on 08/08/2006
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\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:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\TPSrv.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\pavsrv51.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\AVENGINE.EXE
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
c:\program files\panda software\panda platinum 2006 internet security\firewall\PNMSRV.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\arservice.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\ewido anti-spyware 4.0\guard.exe
C:\WINDOWS\ehome\ehtray.exe
C:\Program Files\Common Files\LightScribe\LSSrvc.exe
C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
C:\windows\system\hpsysdrv.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\PavFnSvr.exe
C:\Program Files\Common Files\Panda Software\PavShld\pavprsrv.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\AntiSpam\pskmssvc.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\PsImSvc.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\ehome\mcrdsvc.exe
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\ARPWRMSG.EXE
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\HP\KBD\KBD.EXE
C:\Program Files\HP\HP Software Update\HPwuSchd2.exe
C:\Program Files\ewido anti-spyware 4.0\ewido.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\APVXDWIN.EXE
C:\Program Files\Winamp\winampa.exe
C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\WINDOWS\System32\alg.exe
c:\Program Files\HP\Digital Imaging\bin\hpqSTE08.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\SRVLOAD.EXE
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\WebProxy.exe
C:\Program Files\ATI Technologies\ATI.ACE\cli.exe
C:\WINDOWS\system32\HPZipm12.exe
C:\PROGRA~1\MOZILL~1\FIREFOX.EXE
C:\Program Files\Tibia\Tibia.exe
C:\Program Files\Winamp\Winamp.exe
C:\WINDOWS\explorer.exe
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\PAVJOBS.EXE
C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\psimreal.exe
C:\Program Files\HJT\HijackThis.exe

O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar3.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar3.dll
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [ftutil2] rundll32.exe ftutil2.dll,SetWriteCacheMode
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_05\bin\jusched.exe
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [AlwaysReady Power Message APP] ARPWRMSG.EXE
O4 - HKLM\..\Run: [ATICCC] "C:\Program Files\ATI Technologies\ATI.ACE\cli.exe" runtime
O4 - HKLM\..\Run: [HPHUPD08] c:\Program Files\HP\Digital Imaging\{33D6CC28-9F75-4d1b-A11D-98895B3A3729}\hphupd08.exe
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [Reminder] "C:\Windows\Creator\Remind_XP.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Program Files\HP\HP Software Update\HPwuSchd2.exe
O4 - HKLM\..\Run: [!ewido] "C:\Program Files\ewido anti-spyware 4.0\ewido.exe" /minimized
O4 - HKLM\..\Run: [APVXDWIN] "C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\APVXDWIN.EXE" /s
O4 - HKLM\..\Run: [SCANINICIO] "C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\Inicio.exe"
O4 - HKLM\..\Run: [WinampAgent] C:\Program Files\Winamp\winampa.exe
O4 - Global Startup: Bandeja del sistema de ATI CATALYST.lnk = C:\Program Files\ATI Technologies\ATI.ACE\CLI.exe
O4 - Global Startup: HP Digital Imaging Monitor.lnk = C:\Program Files\HP\Digital Imaging\bin\hpqtra08.exe
O8 - Extra context menu item: &Búsqueda en Google - res://c:\program files\google\GoogleToolbar3.dll/cmsearch.html
O8 - Extra context menu item: &Traducir palabra inglesa - res://c:\program files\google\GoogleToolbar3.dll/cmwordtrans.html
O8 - Extra context menu item: Instantánea de caché de la página - res://c:\program files\google\GoogleToolbar3.dll/cmcache.html
O8 - Extra context menu item: Páginas similares - res://c:\program files\google\GoogleToolbar3.dll/cmsimilar.html
O8 - Extra context menu item: Páginas vinculadas - res://c:\program files\google\GoogleToolbar3.dll/cmbacklinks.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_05\bin\npjpi150_05.dll
O9 - Extra button: Ayuda para la conexión - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
O9 - Extra 'Tools' menuitem: Ayuda para la conexión - {E2D4D26B-0180-43a4-B05F-462D6D54C789} - C:\WINDOWS\PCHEALTH\HELPCTR\Vendors\CN=Hewlett-Packard,L=Cupertino,S=Ca,C=US\IEButton\support.htm
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: {193C772A-87BE-4B19-A7BB-445B226FE9A1} (ewidoOnlineScan Control) - http://download.ewido.net/ewidoOnlineScan.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1154986998828
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{0B02C6E2-09E8-4908-B581-E29826BC1934}: NameServer = 80.58.61.250,80.58.61.254
O17 - HKLM\System\CS1\Services\Tcpip\..\{0B02C6E2-09E8-4908-B581-E29826BC1934}: NameServer = 80.58.61.250,80.58.61.254
O20 - Winlogon Notify: avldr - C:\WINDOWS\SYSTEM32\avldr.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: Ati HotKey Poller - ATI Technologies Inc. - C:\WINDOWS\system32\Ati2evxx.exe
O23 - Service: ewido anti-spyware 4.0 guard - Anti-Malware Development a.s. - C:\Program Files\ewido anti-spyware 4.0\guard.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: LightScribeService Direct Disc Labeling Service (LightScribeService) - Hewlett-Packard Company - C:\Program Files\Common Files\LightScribe\LSSrvc.exe
O23 - Service: Panda Function Service (PAVFNSVR) - Panda Software International - C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\PavFnSvr.exe
O23 - Service: Panda Process Protection Service (PavPrSrv) - Panda Software - C:\Program Files\Common Files\Panda Software\PavShld\pavprsrv.exe
O23 - Service: Panda anti-virus service (PAVSRV) - Panda Software International - C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\pavsrv51.exe
O23 - Service: Panda Antispam Engine (pmshellsrv) - Panda Software International - C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\AntiSpam\pskmssvc.exe
O23 - Service: Panda Network Manager (PNMSRV) - Panda Software - c:\program files\panda software\panda platinum 2006 internet security\firewall\PNMSRV.EXE
O23 - Service: Panda IManager Service (PSIMSVC) - Panda Software - C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\PsImSvc.exe
O23 - Service: Panda TPSrv (TPSrv) - Panda Software - C:\Program Files\Panda Software\Panda Platinum 2006 Internet Security\TPSrv.exe

Porfavor decidme algo cada dia va a peor