Salve,
il pc ha un avvio decisamente lento, qualcuno può
controllare il log?
grazie
Logfile of HijackThis v1.99.1
Scan saved at 22.40.30, on 27/09/2006
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\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\WINDOWS\System32\nvsvc32.exe
C:\Programmi\Norton AntiVirus\SAVScan.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\programmi\advanced system optimizer\memtuneup.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\SAGEM\SAGEM F@st 800-840\dslmon.exe
C:\Documents and Settings\PRIVATO\Desktop\hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://arianna.libero.it
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.it/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://srch-it3.hpwis.com/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://it3.hpwis.com/
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page_bak = http://www.google.it/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Programmi\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: CBHOBJObj Object - {8A406068-D45C-40B9-A096-38AC717FB608} - (no file)
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O2 - BHO: IEPlugin Class - {CF7C3CF0-4B15-11D1-ABED-709549C10000} - C:\Programmi\Advanced System Optimizer\IEHelper.dll
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [Microsoft Works Update Detection] C:\Programmi\Microsoft Works\WkDetect.exe
O4 - HKLM\..\Run: [Microsoft Works Portfolio] C:\Programmi\Microsoft Works\WksSb.exe /AllUsers
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [NAV CfgWiz] C:\Programmi\File comuni\Symantec Shared\CfgWiz.exe /GUID NAV /CMDLINE "REBOOT"
O4 - HKLM\..\Run: [Symantec NetDriver Monitor] C:\PROGRA~1\SYMNET~1\SNDMon.exe /Consumer
O4 - HKCU\..\Run: [MemoryOptimizer] c:\programmi\advanced system optimizer\memtuneup.exe
O4 - Global Startup: DSLMON.lnk = C:\Programmi\SAGEM\SAGEM F@st 800-840\dslmon.exe
O8 - Extra context menu item: &Add animation to IncrediMail Style Box - C:\PROGRA~1\INCRED~1\bin\resources\WebMenuImg.htm
O9 - Extra button: Organizzatore ricerche - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Programmi\File comuni\Microsoft Shared\Reference 2001\EROProj.dll
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
O12 - Plugin for .wav: C:\Programmi\Internet Explorer\PLUGINS\npqtplugin.dll
O15 - Trusted Zone: http://www.pioneer.eu
O16 - DPF: {1F2F4C9E-6F09-47BC-970D-3C54734667FE} (LSSupCtl Class) - http://www.symantec.com/techsupp/asa/LSSupCtl.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {6414512B-B978-451D-A0D8-FCFDF33E833C} (WUWebControl Class) - http://update.microsoft.com/windowsupdate/v6/V5Controls/en/x86/client/wuweb_site.cab?1157200037031
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {79E0C1C0-316D-11D5-A72A-006097BFA1AC} (EPSON Web Printer-SelfTest Control Class) - http://esupport.epson-europe.com/selftest/it/Prg/ESTPTest.cab
O16 - DPF: {91433D86-9F27-402C-B5E3-DEBDD122C339} - http://www.netvenda.com/sites/gamdr-it/itd/games3.cab
O16 - DPF: {CE28D5D2-60CF-4C7D-9FE8-0F47A3308078} (ActiveDataInfo Class) - http://www.symantec.com/techsupp/asa/SymAData.cab
O16 - DPF: {DB893839-10F0-4AF9-92FA-B23528F530AF} - http://deposito.trafficredlight.net/10258-23.exe
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} - http://www2.incredimail.com/contents/setup/downloader_sp1/imloader.cab
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O20 - Winlogon Notify: WRNotifier - WRLogonNTF.dll (file missing)
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Password Validation (ccPwdSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccPwdSvc.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
O23 - Service: Servizio Norton AntiVirus Auto-Protect (navapsvc) - Symantec Corporation - C:\Programmi\Norton AntiVirus\navapsvc.exe
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: SAVScan - Symantec Corporation - C:\Programmi\Norton AntiVirus\SAVScan.exe
O23 - Service: ScriptBlocking Service (SBService) - Symantec Corporation - C:\PROGRA~1\FILECO~1\SYMANT~1\SCRIPT~1\SBServ.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: SysOub - Unknown owner - \\?\C:\Programmi\File comuni\System\lpt5.exe (file missing)
O23 - Service: WinSfu - Unknown owner - \\?\C:\Programmi\File comuni\System\com2.exe (file missing)

Meglio se lo posti nella sezione intitolata "Virus, sicurezza e privacy". Lì, è assai più facile che possa esser visto da chi è in grado di risponderti.