Chi può aiutarmi a verificare se ho qualche problema sul pc?

Vi metto il risultato della scansione:

Grazie a tutti

Running processes:
C:\WINDOWS\SYSTEM\KERNEL32.DLL
C:\WINDOWS\SYSTEM\MSGSRV32.EXE
C:\WINDOWS\SYSTEM\SPOOL32.EXE
C:\WINDOWS\SYSTEM\MPREXE.EXE
C:\WINDOWS\SYSTEM\MSTASK.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCSETMGR.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCEVTMGR.EXE
C:\WINDOWS\SYSTEM\mmtask.tsk
C:\WINDOWS\EXPLORER.EXE
C:\WINDOWS\TASKMON.EXE
C:\WINDOWS\SYSTEM\SYSTRAY.EXE
C:\PROGRAM FILES\SONNETECH\COLORIFIC\PROGRAM\HGCCTL95.EXE
C:\WINDOWS\SYSTEM\ICSMGR.EXE
C:\WINDOWS\SYSTEM\GSICON.EXE
C:\WINDOWS\SYSTEM\DSLAGENT.EXE
C:\PROGRAMMI\FILE COMUNI\SYMANTEC SHARED\CCAPP.EXE
C:\PROGRAMMI\VIA TECHNOLOGIES, INC\VIA AUDIO DRIVER SETUP PROGRAM\AUDIODECK\AUDIODECK.EXE
C:\TOOLS_95\IOWATCH.EXE
C:\WINDOWS\SYSTEM\DDHELP.EXE
C:\TOOLS_95\IMGICON.EXE
C:\WINDOWS\SYSTEM\WMIEXE.EXE
C:\WINDOWS\DESKTOP\HIJACKTHIS.EXE

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.libero.it/
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.microsoft.com/isapi/redir.dll?prd={SUB_PRD}&clcid={SUB_CLSID}&pver={SUB_PVER}&ar=hom e
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.microsoft.com/isapi/redir...r=6&ar=msnhome
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://www.microsoft.com/isapi/redir...ie&ar=iesearch
R1 - HKCU\Software\Microsoft\Internet Explorer\SearchURL,(Default) = http://home.microsoft.com/access/autosearch.asp?p=%s
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
O2 - BHO: NAV Helper - {BDF3E430-B101-42AD-A544-FADC6B084872} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O2 - BHO: (no name) - {01FB9C55-FC66-4476-A199-389241193188} - C:\WINDOWS\SYSTEM\PXBCXQL.DLL
O3 - Toolbar: &Radio - {8E718888-423F-11D2-876E-00A0C9082467} - C:\WINDOWS\SYSTEM\MSDXM.OCX
O3 - Toolbar: Norton AntiVirus - {42CDD1BF-3FFB-4238-8AD1-7859DF00B1D6} - C:\Programmi\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [ScanRegistry] C:\WINDOWS\scanregw.exe /autorun
O4 - HKLM\..\Run: [TaskMonitor] C:\WINDOWS\taskmon.exe
O4 - HKLM\..\Run: [SystemTray] SysTray.Exe
O4 - HKLM\..\Run: [Colorific Control Panel] C:\PROGRA~2\SONNET~1\COLORI~1\PROGRAM\HGCCTL95.EXE
O4 - HKLM\..\Run: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\Run: [ICSMGR] ICSMGR.EXE
O4 - HKLM\..\Run: [GSICONEXE] GSICON.EXE
O4 - HKLM\..\Run: [DSLAGENTEXE] dslagent.exe USB
O4 - HKLM\..\Run: [CriticalUpdate] C:\WINDOWS\SYSTEM\wucrtupd.exe -startup
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [NAV CfgWiz] C:\Programmi\File comuni\Symantec Shared\CfgWiz.exe /GUID NAV /CMDLINE "REBOOT"
O4 - HKLM\..\RunServices: [LoadPowerProfile] Rundll32.exe powrprof.dll,LoadCurrentPwrScheme
O4 - HKLM\..\RunServices: [SchedulingAgent] mstask.exe
O4 - HKLM\..\RunServices: [ScriptBlocking] "C:\Programmi\File comuni\Symantec Shared\Script Blocking\SBServ.exe" -reg
O4 - HKLM\..\RunServices: [ccSetMgr] "C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe"
O4 - HKLM\..\RunServices: [ccEvtMgr] "C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe"
O4 - Startup: AudioDeck.lnk = C:\Programmi\VIA Technologies, Inc\VIA Audio Driver Setup Program\AudioDeck\AudioDeck.exe
O4 - Startup: Iomega Watch.lnk = c:\Tools_95\IoWatch.Exe
O4 - Startup: Opzioni d'avvio Iomega .lnk = c:\Tools_95\ImgStart.Exe
O4 - Startup: Zip Disk Icons.lnk = c:\Tools_95\ImgIcon.Exe
O12 - Plugin for .pdf: C:\PROGRA~1\INTERN~1\PLUGINS\nppdf32.dll
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - http://download.macromedia.com/pub/s...sh/swflash.cab
O16 - DPF: {9F1C11AA-197B-4942-BA54-47A8489BB47F} (Update Class) - http://v4.windowsupdate.microsoft.co...8118.240474537
O16 - DPF: {E77C0D62-882A-456F-AD8F-7C6C9569B8C7} (ActiveDataObj Class) - https://www-secure.symantec.com/regi...ActiveData.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/S...in/AvSniff.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/S.../bin/cabsa.cab
O16 - DPF: {F00F4763-7355-4725-82F7-0DA94A256D46} (IMDownloader Class) - http://www2.incredimail.com/contents...r/imloader.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://www.pandasoftware.com/activescan/as5/asinst.cab