buongiorno ragazzi, sono nuovo nel forum.
Volevo postarvi il mio problema,sperando che almeno qualcuno riuscirà a risolverlo!
è iniziato tutto 3 giorni fà,con un fake antivirus...tolto quello e scansionato il pc non mi trova nessun virus!veniamo al dunque,mi si blocca il pc dopo una quindicina di minuti e devo riavviare ogni volta!Vado nella visualizzazione eventi e mi da questi due errori:

Tipo evento: Errore
Origine evento: Ftdisk
Categoria evento: Nessuno
ID evento: 49
Data: 10/05/2010
Ora: 12.53.22
Utente: N/D
Computer: UTENTE-PC
Descrizione:
Configuring the Page file for crash dump failed. Make sure there is a page file on the boot partition and that is large enough to contain all physical memory.

Tipo evento: Errore
Origine evento: Ftdisk
Categoria evento: Nessuno
ID evento: 45
Data: 10/05/2010
Ora: 12.53.22
Utente: N/D
Computer: UTENTE-PC
Descrizione:
The system could not sucessfully load the crash dump driver.

inserisco il log che mi da hijackthis:
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 13.15.33, on 10/05/2010
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.17023)
Boot mode: Normal

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\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Avira\AntiVir Desktop\sched.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\RunDll32.exe
C:\Programmi\Avira\AntiVir Desktop\avgnt.exe
C:\WINDOWS\vsnpstd.exe
C:\Programmi\File comuni\Nokia\MPlatform\NokiaMServer.exe
C:\Programmi\Hewlett-Packard\Digital Imaging\bin\hpohmr08.exe
C:\Programmi\Hewlett-Packard\Digital Imaging\bin\hpotdd01.exe
C:\Programmi\Hewlett-Packard\Digital Imaging\bin\hpoevm08.exe
C:\Programmi\Avira\AntiVir Desktop\avguard.exe
C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.exe
C:\Programmi\Bonjour\mDNSResponder.exe
C:\Programmi\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\Hewlett-Packard\Digital Imaging\Bin\hpoSTS08.exe
C:\WINDOWS\system32\mmc.exe
C:\Programmi\Mozilla Firefox\firefox.exe
C:\Documents and Settings\Utente\Documenti\Download\HiJackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.it/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Int ernet Settings,ProxyOverride = local
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Programmi\File comuni\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Programmi\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
O2 - BHO: Guida per l'accesso a Windows Live - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Programmi\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: (no name) - {3041d03e-fd4b-44e0-b742-2d9b88305f98} - (no file)
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Programmi\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: Veoh Web Player Video Finder - {0FBB9689-D3D7-4f7a-A2E2-585B10099BFC} - C:\Programmi\Veoh Networks\VeohWebPlayer\VeohIEToolbar.dll
O4 - HKLM\..\Run: [Cmaudio] RunDll32 cmicnfg.cpl,CMICtrlWnd
O4 - HKLM\..\Run: [avgnt] "C:\Programmi\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [snpstd] C:\WINDOWS\vsnpstd.exe
O4 - HKLM\..\Run: [NokiaMServer] C:\Programmi\File comuni\Nokia\MPlatform\NokiaMServer /watchfiles
O4 - HKUS\S-1-5-19\..\RunOnce: [nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SERVIZIO LOCALE')
O4 - HKUS\S-1-5-20\..\RunOnce: [nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SERVIZIO DI RETE')
O4 - HKUS\S-1-5-18\..\RunOnce: [nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\RunOnce: [nltide_3] rundll32 advpack.dll,LaunchINFSectionEx nLite.inf,C,,4,N (User 'Default user')
O4 - Global Startup: hp psc 1000 series.lnk = ?
O4 - Global Startup: hpoddt01.exe.lnk = ?
O8 - Extra context menu item: E&sporta in Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office12\EXCEL.EXE/3000
O9 - Extra button: Inserisci blog - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: Inserisci &blog in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Programmi\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~1\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Programmi\Messenger\msmsgs.exe
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/Messen.../GAME_UNO1.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary...t.cab56907.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{1B06819D-6F86-421A-BD61-4E756B7418B0}: NameServer = 85.37.17.16 85.38.28.68
O17 - HKLM\System\CS1\Services\Tcpip\..\{1B06819D-6F86-421A-BD61-4E756B7418B0}: NameServer = 85.37.17.16 85.38.28.68
O20 - Winlogon Notify: !SASWinLogon - C:\Programmi\SUPERAntiSpyware\SASWINLO.dll
O22 - SharedTaskScheduler: Precaricatore Browseui - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Daemon di cache delle categorie di componenti - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Programmi\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Programmi\Avira\AntiVir Desktop\avguard.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Programmi\File comuni\Apple\Mobile Device Support\bin\AppleMobileDeviceService.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: Bonjour Service - Apple Inc. - C:\Programmi\Bonjour\mDNSResponder.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: Pml Driver HPZ12 - HP - C:\WINDOWS\system32\HPZipm12.exe
O23 - Service: ServiceLayer - Nokia - C:\Programmi\PC Connectivity Solution\ServiceLayer.exe

Vi ringrazio in anticipo per qualunque risposta