dopo il vostro suggerimento continuo ad avere il problema cioe quando sono collegato con un sito e cerco di aprire una finestra mi esce la schermata bianca con la dicitura abauot-blank e per chiudere questa finestra bianca devo usare il task a volte da solo mi chiude il collegamento in internet vi prego se potete risolvermi il problema grazie
Logfile of HijackThis v1.99.1
Scan saved at 23.05.03, on 08/11/2006
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\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\ccSvcHst.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\WINDOWS\Explorer.EXE
C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
C:\Programmi\File comuni\Symantec Shared\SPBBC\SPBBCSvc.exe
C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe
C:\Programmi\Pinnacle\PCTV Stereo\Remote\Remoterm.exe
C:\Programmi\QuickTime\qttask.exe
C:\Programmi\eBay\eBay Toolbar2\eBayTBDaemon.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Programmi\Microsoft Encarta\Microsoft Encarta Enciclopedia DVD - 2006\EDICT.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\Programmi\Norton AntiVirus\navapsvc.exe
C:\Programmi\Norton AntiVirus\IWP\NPFMntor.exe
C:\WINDOWS\System32\svchost.exe
C:\Programmi\File comuni\Symantec Shared\Security Console\NSCSRVCE.EXE
C:\WINDOWS\System32\wuauclt.exe
C:\Programmi\File comuni\L&H Shared\PCMM RealSpeak V1\RSSVR10.EXE
C:\Programmi\Windows Live Toolbar\msn_sl.exe
C:\Programmi\Internet Explorer\iexplore.exe
C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
C:\Documents and Settings\gennaro.GENNARO-3HYPX7W\Desktop\HijackThis.exe

R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://google.bearshare.com/it/
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: eBay Toolbar Helper - {22D8E815-4A5E-4DFB-845E-AAB64207F5BD} - C:\Programmi\eBay\eBay Toolbar2\eBayTB.dll
O2 - BHO: Big Fish Games Toolbar - {4E7BD74F-2B8D-469E-86BD-FD60BB9AAE3A} - C:\Programmi\bfgtoolbar\bfgtoolbar.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Programmi\File comuni\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: Encarta Web Companion Oggetto helper - {955BE0B8-BC85-4CAF-856E-8E0D8B610560} - C:\Programmi\File comuni\Microsoft Shared\Encarta Web Companion\ENCWCBAR.DLL
O2 - BHO: XBTP01621 - {9EBBE90B-282E-4c39-8A7E-120749169F0F} - C:\PROGRA~1\BEARSH~2\MediaBar.dll
O2 - BHO: NAV Helper - {A8F38D8D-E480-4D52-B7A2-731BB6995FDD} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\programmi\google\googletoolbar2.dll
O2 - BHO: Windows Live Toolbar Helper - {BDBD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Programmi\Windows Live Toolbar\msntb.dll
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\System32\msdxm.ocx
O3 - Toolbar: Encarta Web Companion - {147D6308-0614-4112-89B1-31402F9B82C4} - C:\Programmi\File comuni\Microsoft Shared\Encarta Web Companion\ENCWCBAR.DLL
O3 - Toolbar: Yahoo! Toolbar con blocco Pop-Up - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - C:\Programmi\Yahoo!\Companion\Installs\cpn\yt.dll
O3 - Toolbar: eBay Toolbar - {92085AD4-F48A-450D-BD93-B28CC7DF67CE} - C:\Programmi\eBay\eBay Toolbar2\eBayTB.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\programmi\google\googletoolbar2.dll
O3 - Toolbar: Big Fish Games Toolbar - {4E7BD74F-2B8D-469E-86BD-FD60BB9AAE3A} - C:\Programmi\bfgtoolbar\bfgtoolbar.dll
O3 - Toolbar: BearShare MediaBar - {B7D3E479-CC68-42B5-A338-938ECE35F419} - C:\Programmi\BearShare MediaBar\MediaBar.dll
O3 - Toolbar: Norton AntiVirus - {C4069E3A-68F1-403E-B40E-20066696354B} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Windows Live Toolbar - {BDAD1DAD-C946-4A17-ADC1-64B5B4FF55D0} - C:\Programmi\Windows Live Toolbar\msntb.dll
O4 - HKLM\..\Run: [PCTVRemote] C:\Programmi\Pinnacle\PCTV Stereo\Remote\Remoterm.exe
O4 - HKLM\..\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Programmi\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [eBayToolbar] C:\Programmi\eBay\eBay Toolbar2\eBayTBDaemon.exe
O4 - HKLM\..\Run: [EPSON Stylus C46 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I0T1.EXE /P23 "EPSON Stylus C46 Series" /O6 "USB001" /M "Stylus C46"
O4 - HKLM\..\Run: [SSC_UserPrompt] "C:\Programmi\File comuni\Symantec Shared\Security Center\UsrPrmpt.exe"
O4 - HKLM\..\Run: [BearShare] "C:\Programmi\BearShare\BearShare.exe" /pause
O4 - HKLM\..\Run: [outlook] C:\Programmi\outlook\outlook.exe /auto
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\RunServices: [winlog] winlog.exe
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [E06IXLRD_3197157] "C:\Programmi\Microsoft Encarta\Microsoft Encarta Enciclopedia DVD - 2006\EDICT.EXE" -m
O4 - HKCU\..\Run: [EPSON Stylus C46 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_S4I0T1.EXE /P23 "EPSON Stylus C46 Series" /M "Stylus C46" /EF "HKCU"
O4 - Startup: ubisoft register.lnk = C:\Programmi\Ubi Soft\Register\schedule.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O8 - Extra context menu item: &eBay Search - res://C:\Programmi\eBay\eBay Toolbar2\eBayTb.dll/RCSearch.html
O8 - Extra context menu item: &Windows Live Search - res://C:\Programmi\Windows Live Toolbar\msntb.dll/search.htm
O8 - Extra context menu item: Apri in nuova scheda in primo piano - res://C:\Programmi\Windows Live Toolbar\Components\it-it\msntabres.dll.mui/230?0412b4b212ac4f2dada6911fb4549f0f
O8 - Extra context menu item: Apri in nuova scheda in secondo piano - res://C:\Programmi\Windows Live Toolbar\Components\it-it\msntabres.dll.mui/229?0412b4b212ac4f2dada6911fb4549f0f
O9 - Extra button: Organizzatore ricerche - {9455301C-CF6B-11D3-A266-00C04F689C50} - C:\Programmi\File comuni\Microsoft Shared\Encarta Researcher\EROPROJ.DLL
O9 - Extra button: (no name) - {B205A35E-1FC4-4CE3-818B-899DBBB3388C} - C:\Programmi\File comuni\Microsoft Shared\Encarta Search Bar\ENCSBAR.DLL
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {30528230-99F7-4BB4-88D8-FA1D4F56A2AB} (YInstStarter Class) - http://us.dl1.yimg.com/download.yahoo.com/dl/installs/yinst20040510.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\MSNMES~1\MSGRAP~1.DLL
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Programmi\Symantec\LiveUpdate\ALUSchedulerSvc.exe
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) - Unknown owner - C:\Programmi\File comuni\Symantec Shared\ccSvcHst.exe" /h ccCommon (file missing)
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Programmi\File comuni\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Norton AntiVirus Auto-Protect Service (navapsvc) - Symantec Corporation - C:\Programmi\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton AntiVirus Firewall Monitor Service (NPFMntor) - Symantec Corporation - C:\Programmi\Norton AntiVirus\IWP\NPFMntor.exe
O23 - Service: Norton Protection Center Service (NSCService) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Console\NSCSRVCE.EXE
O23 - Service: Symantec AVScan (SAVScan) - Symantec Corporation - C:\Programmi\Norton AntiVirus\SAVScan.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: SPBBCSvc - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe

Orrore!!! C'è ancora qualcuno che usa il Norton Antivirus. Prova a seguire le istruzioni da qui sotto:

http://hijackthis.de/it#anl

Ciao

non ci riesco puoi essere piu chiaro

intanto elimina bearshare che è un nido di virus e al suo posto puoi usare limewire. poi fa una scansione online con questi
http://steven.altervista.org/files/scan.html
fa una scansione anche con spybot s.d., ad aware e poi rifai il log di hijackthis