vi invio log hijackthis se potete controllare ,il mio pc e lentissimo a partire e anche quando riavvio ci vuole una vita a partire nn so se devo formattare o se si puo risolvere in altro modo,
vi ringrazio anticipatamente raga'

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 19.30.16, on 13/04/2011
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
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:\Programmi\Microsoft Security Client\Antimalware\MsMpEng.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\Ati2evxx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\File comuni\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Programmi\Bonjour\mDNSResponder.exe
C:\WINDOWS\system32\CTsvcCDA.exe
C:\Programmi\File comuni\MAGIX Services\Database\bin\FABS.exe
C:\Programmi\Java\jre6\bin\jqs.exe
C:\Programmi\Common Files\Motive\McciCMService.exe
C:\Programmi\Nero\Nero8\Nero BackItUp\NBService.exe
C:\WINDOWS\system32\IoctlSvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Programmi\TomTom HOME 2\TomTomHOMEService.exe
C:\WINDOWS\system32\SearchIndexer.exe
C:\Programmi\ATI Technologies\ATI.ACE\Core-Static\MOM.exe
C:\WINDOWS\system32\Rundll32.exe
C:\WINDOWS\system32\LVCOMSX.EXE
C:\Programmi\Logitech\Video\LogiTray.exe
C:\Programmi\Creative\SBAudigy\Surround Mixer\CTSysVol.exe
C:\Programmi\Microsoft Security Client\msseces.exe
C:\Programmi\File comuni\Java\Java Update\jusched.exe
C:\Programmi\iTunes\iTunesHelper.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Programmi\Creative\MediaSource\Detector\CTDetect.exe
C:\Programmi\DNA\btdna.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\Windows Desktop Search\WindowsSearch.exe
C:\Programmi\Logitech\Video\FxSvr2.exe
C:\Programmi\iPod\bin\iPodService.exe
C:\Programmi\ATI Technologies\ATI.ACE\Core-Static\ccc.exe
C:\Programmi\Skype\Phone\Skype.exe
C:\Programmi\Skype\Plugin Manager\skypePM.exe
E:\programmi\camfrog5.1\Camfrog Video Chat\Camfrog Video Chat.exe
C:\Programmi\Trend Micro\HijackThis\HijackThis.exe

R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://go.microsoft.com/fwlink/?LinkId=54896
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = local;*.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: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Programmi\Java\jre6\bin\jp2ssv.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Programmi\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: EpsonToolBandKicker Class - {E99421FB-68DD-40F0-B4AC-B7027CAE2F1A} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O3 - Toolbar: EPSON Web-To-Page - {EE5D279F-081B-4404-994D-C6B60AAEBA6D} - C:\Programmi\EPSON\EPSON Web-To-Page\EPSON Web-To-Page.dll
O4 - HKLM\..\Run: [StartCCC] "C:\Programmi\ATI Technologies\ATI.ACE\Core-Static\CLIStart.exe" MSRun
O4 - HKLM\..\Run: [P17Helper] Rundll32 P17.dll,P17Helper
O4 - HKLM\..\Run: [LVCOMSX] C:\WINDOWS\system32\LVCOMSX.EXE
O4 - HKLM\..\Run: [LogitechVideoRepair] C:\Programmi\Logitech\Video\ISStart.exe
O4 - HKLM\..\Run: [LogitechVideoTray] C:\Programmi\Logitech\Video\LogiTray.exe
O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
O4 - HKLM\..\Run: [CTSysVol] C:\Programmi\Creative\SBAudigy\Surround Mixer\CTSysVol.exe /r
O4 - HKLM\..\Run: [CTXFIREG] CTxfiReg.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Programmi\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [MSC] "C:\Programmi\Microsoft Security Client\msseces.exe" -hide -runkey
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\File comuni\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [iTunesHelper] "C:\Programmi\iTunes\iTunesHelper.exe"
O4 - HKCU\..\Run: [LogitechSoftwareUpdate] C:\Programmi\Logitech\Video\ManifestEngine.exe boot
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [Creative Detector] C:\Programmi\Creative\MediaSource\Detector\CTDetect.exe /R
O4 - HKCU\..\Run: [Google Update] "C:\Documents and Settings\Utente\Impostazioni locali\Dati applicazioni\Google\Update\GoogleUpdate.exe" /c
O4 - HKCU\..\Run: [BitTorrent DNA] "C:\Programmi\DNA\btdna.exe"
O4 - HKCU\..\Run: [WebcamMaxAutoRun] "C:\Programmi\WebcamMax\WebcamMax.exe" -a
O4 - HKCU\..\Run: [EPSON Stylus DX4400 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_FATICAE.EXE /FU "C:\WINDOWS\TEMP\E_S9A.tmp" /EF "HKCU"
O4 - HKCU\..\Run: [TomTomHOME.exe] "C:\Programmi\TomTom HOME 2\TomTomHOMERunner.exe"
O4 - Global Startup: Windows Search.lnk = C:\Programmi\Windows Desktop Search\WindowsSearch.exe
O8 - Extra context menu item: Free YouTube to MP3 Converter - C:\Documents and Settings\Utente\Dati applicazioni\DVDVideoSoftIEHelpers\freeyoutubetomp3converter.htm
O8 - Extra context menu item: Save YouTube Video as MP3 - res://C:\Programmi\File comuni\DVDVideoSoft\Dll\IEContextMenuY.dll/scriptY2MP3.htm
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/IT-IT/a-UNO1/GAME_UNO1.cab
O16 - DPF: {8100D56A-5661-482C-BEE8-AFECE305D968} (Facebook Photo Uploader 5 Control) - http://upload.facebook.com/controls/2009.07.28_v5.5.8.1/FacebookPhotoUploader55.cab
O16 - DPF: {AC120B1D-4111-9411-AF52-118052D85D45} (GameDesire Darts Games) - http://cached.gamedesire.com/g_bin/eng/darts_2_0_0_49.cab
O16 - DPF: {BDBDE413-7B1C-4C68-A8FF-C5B2B4090876} (F-Secure Online Scanner 3.3) - http://support.f-secure.com/ols/fscax.cab
O16 - DPF: {C3F79A2B-B9B4-4A66-B012-3EE46475B072} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab56907.cab
O16 - DPF: {CAFEEFAC-0016-0000-0017-ABCDEFFEDCBA} (Java Plug-in 1.6.0_17) -
O16 - DPF: {DE625294-70E6-45ED-B895-CFFA13AEB044} (AxisMediaControlEmb Class) - http://87.29.157.20:8081/activex/AMC.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O16 - DPF: {F6ACF75C-C32C-447B-9BEF-46B766368D29} (Creative Software AutoUpdate Support Package) - http://ccfiles.creative.com/Web/softwareupdate/su2/ocx/15112/CTPID.cab
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\FILECO~1\Skype\SKYPE4~1.DLL
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Programmi\File comuni\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Programmi\File comuni\Apple\Mobile Device Support\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: Servizio Bonjour (Bonjour Service) - Apple Inc. - C:\Programmi\Bonjour\mDNSResponder.exe
O23 - Service: Creative Service for CDROM Access - Creative Technology Ltd - C:\WINDOWS\system32\CTsvcCDA.exe
O23 - Service: FABS - Helping agent for MAGIX media database (Fabs) - MAGIX AG - C:\Programmi\File comuni\MAGIX Services\Database\bin\FABS.exe
O23 - Service: Firebird Server - MAGIX Instance (FirebirdServerMAGIXInstance) - MAGIX® - C:\Programmi\File comuni\MAGIX Services\Database\bin\fbserver.exe
O23 - Service: Servizio di Google Update (gupdate) (gupdate) - Google Inc. - C:\Programmi\Google\Update\GoogleUpdate.exe
O23 - Service: Servizio iPod (iPod Service) - Apple Inc. - C:\Programmi\iPod\bin\iPodService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Programmi\Java\jre6\bin\jqs.exe
O23 - Service: McciCMService - Motive Communications, Inc. - C:\Programmi\Common Files\Motive\McciCMService.exe
O23 - Service: Nero BackItUp Scheduler 3 - Nero AG - C:\Programmi\Nero\Nero8\Nero BackItUp\NBService.exe
O23 - Service: NMIndexingService - Nero AG - C:\Programmi\File comuni\Nero\Lib\NMIndexingService.exe
O23 - Service: PLFlash DeviceIoControl Service - Prolific Technology Inc. - C:\WINDOWS\system32\IoctlSvc.exe
O23 - Service: ServiceLayer - Nokia. - C:\Programmi\PC Connectivity Solution\ServiceLayer.exe
O23 - Service: TipCtrl - Unknown owner - C:\Programmi\uTIPu\TipCtrl.exe (file missing)
O23 - Service: TomTomHOMEService - TomTom - C:\Programmi\TomTom HOME 2\TomTomHOMEService.exe
O23 - Service: UPnPService - Magix AG - C:\Programmi\File comuni\MAGIX Shared\UPnPService\UPnPService.exe

--
End of file - 9393 bytes

Ciao, il pc è lento anche perchè hai un sacco di programmi installati, cerca di tenere quelli che usi più di frequente e rimuovi gli altri.
Ora fai queste operazioni: chiudi tutti i programmi e disconnesso da internet fixa e rimuovi questa voce,
O20 - Winlogon Notify: avgrsstarter - C:\WINDOWS\SYSTEM32\avgrsstx.dll
Poi installa QUESTO programma, lo aggiorni e poi fai una scansione COMPLETA, non veloce, elimina tutto quello che trova.
Poi fai una pulizia con Ccleaner compreso il registro.
Vai in c:\windows e cerca la cartella prefetch, aprila ed elimina tutto il contenuto.
Fai una deframmentazione del disco, usa QUESTO programma, nella finestra scegli la voce Deframmenta e ottimizza, lascia fare fino alla fine.
Fai sapere se la situazione migliora.