salve, su di un sistema xp home+sp2 da qualche tempo mi sono sparite le icone relative al lettore cd, tra l'altro clikkando sul desktop nel relativo collegamento evidenziato da un punto interrogativo bordato di rosso mi appare una finestrella grigia con scritto :"l'elemento E:\ il cui collegamento fa riferimento è stato modificato o spostato. il collegamento non funzionerà più correttamente" come faccio a ripristinarlo? allego il log per maggiori ragguagli, grazie anticipatamente

Logfile of HijackThis v1.99.1
Scan saved at 14.21.23, on 03/02/2007
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.5730.0011)

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\Explorer.EXE
C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
C:\Programmi\File comuni\Symantec Shared\ccProxy.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:\WINDOWS\system32\spoolsv.exe
C:\Programmi\Norton Internet Security\Norton AntiVirus\navapsvc.exe
C:\PROGRA~1\NORTON~3\NORTON~1\NPROTECT.EXE
C:\WINDOWS\System32\nvsvc32.exe
C:\PROGRA~1\NORTON~3\NORTON~1\SPEEDD~1\NOPDB.EXE
C:\WINDOWS\System32\svchost.exe
C:\Programmi\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\WINDOWS\system32\ctfmon.exe
C:\windows\system\hpsysdrv.exe
C:\Programmi\HP\Digital Imaging\Unload\hpqcmon.exe
C:\WINDOWS\System32\hphmon05.exe
C:\Programmi\Multimedia Card Reader\shwicon2k.exe
C:\Programmi\File comuni\Symantec Shared\ccApp.exe
C:\Programmi\Hewlett-Packard\HP Software Update\HPWuSchd2.exe
C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb08.exe
C:\Programmi\HP\Digital Imaging\bin\hpotdd01.exe
C:\Programmi\Java\jre1.5.0_10\bin\jusched.exe
C:\Programmi\Spyware Terminator\SpywareTerminatorShield.exe
C:\HP\KBD\KBD.EXE
C:\Programmi\TomTom HOME\TomTomHOME.exe
C:\PROGRA~1\HPPAVI~1\Pavilion\XPHWWBP4\plugin\bin\PCHButton.exe
C:\WINDOWS\system32\rundll32.exe
C:\Programmi\StickyPad\StickyPad.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Programmi\File comuni\Symantec Shared\Security Console\NSCSRVCE.EXE
C:\Documents and Settings\Proprietario\Desktop\hijachthis\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://www.tuttogratis.it/
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 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKCU\Software\Microsoft\Internet Explorer\Toolbar,LinksFolderName = Collegamenti
R3 - URLSearchHook: Yahoo! Toolbar - {EF99BD32-C1FB-11D2-892F-0090271D4F88} - (no file)
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: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O2 - BHO: Norton Internet Security 2006 - {9ECB9560-04F9-4bbc-943D-298DDF1699E1} - C:\Programmi\File comuni\Symantec Shared\AdBlocking\NISShExt.dll
O2 - BHO: NAV Helper - {A8F38D8D-E480-4D52-B7A2-731BB6995FDD} - C:\Programmi\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O3 - Toolbar: Norton Internet Security 2006 - {0B53EAC3-8D69-4b9e-9B19-A37C9A5676A7} - C:\Programmi\File comuni\Symantec Shared\AdBlocking\NISShExt.dll
O3 - Toolbar: Norton AntiVirus - {C4069E3A-68F1-403E-B40E-20066696354B} - C:\Programmi\Norton Internet Security\Norton AntiVirus\NavShExt.dll
O4 - HKLM\..\Run: [hpsysdrv] c:\windows\system\hpsysdrv.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\System32\hkcmd.exe
O4 - HKLM\..\Run: [CamMonitor] c:\Programmi\HP\Digital Imaging\Unload\hpqcmon.exe
O4 - HKLM\..\Run: [HPHUPD05] C:\Programmi\Hewlett-Packard\{45B6180B-DCAB-4093-8EE8-6164457517F0}\hphupd05.exe
O4 - HKLM\..\Run: [HPHmon05] C:\WINDOWS\System32\hphmon05.exe
O4 - HKLM\..\Run: [Recguard] C:\WINDOWS\SMINST\RECGUARD.EXE
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\System32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [nwiz] nwiz.exe /installquiet /keeploaded /nodetect
O4 - HKLM\..\Run: [Sunkist2k] C:\Programmi\Multimedia Card Reader\shwicon2k.exe
O4 - HKLM\..\Run: [ccApp] "C:\Programmi\File comuni\Symantec Shared\ccApp.exe"
O4 - HKLM\..\Run: [HP Software Update] C:\Programmi\Hewlett-Packard\HP Software Update\HPWuSchd2.exe
O4 - HKLM\..\Run: [HPDJ Taskbar Utility] C:\WINDOWS\system32\spool\drivers\w32x86\3\hpztsb08.exe
O4 - HKLM\..\Run: [DeviceDiscovery] C:\Programmi\HP\Digital Imaging\bin\hpotdd01.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Programmi\Java\jre1.5.0_10\bin\jusched.exe"
O4 - HKLM\..\Run: [SpywareTerminator] "C:\Programmi\Spyware Terminator\SpywareTerminatorShield.exe"
O4 - HKLM\..\Run: [KBD] C:\HP\KBD\KBD.EXE
O4 - HKLM\..\Run: [TomTomHOME.exe] "C:\Programmi\TomTom HOME\TomTomHOME.exe" -s
O4 - HKCU\..\Run: [NVIEW] rundll32.exe nview.dll,nViewLoadHook
O4 - HKCU\..\Run: [Acme.PCHButton] C:\PROGRA~1\HPPAVI~1\Pavilion\XPHWWBP4\plugin\bin\PCHButton.exe
O4 - HKCU\..\Run: [BackupNotify] c:\Programmi\HP\Digital Imaging\bin\backupnotify.exe
O4 - HKCU\..\Run: [Sticky Pad] C:\Programmi\StickyPad\StickyPad.exe
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Avvio veloce di Adobe Reader.lnk = C:\Programmi\Adobe\Acrobat 7.0\Reader\reader_sl.exe
O4 - Global Startup: Microsoft Office.lnk = C:\Programmi\Microsoft Office\Office10\OSA.EXE
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Programmi\Java\jre1.5.0_10\bin\ssv.dll
O9 - Extra button: Express Cleanup - {5E638779-1818-4754-A595-EF1C63B87A56} - C:\Programmi\Norton SystemWorks\Norton Cleanup\WCQuick.lnk
O9 - Extra 'Tools' menuitem: Express Cleanup - {5E638779-1818-4754-A595-EF1C63B87A56} - C:\Programmi\Norton SystemWorks\Norton Cleanup\WCQuick.lnk
O9 - Extra button: Copernic Agent - {688DC797-DC11-46A7-9F1B-445F4F58CE6E} - C:\PROGRA~1\COPERN~1\COPERN~1.EXE
O9 - Extra button: (no name) - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra 'Tools' menuitem: Uninstall BitDefender Online Scanner v8 - {85d1f590-48f4-11d9-9669-0800200c9a66} - %windir%\bdoscandel.exe (file missing)
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - %windir%\Network Diagnostic\xpnetdiag.exe (file missing)
O9 - Extra button: SmartWhois - {FD9DE2B4-C926-4460-81C4-FC58C6F1062E} - C:\Programmi\SmartWhois\swmsie.exe
O9 - Extra button: (no name) - {FF983118-58C7-4AD4-B5A7-691C39CB7B42} - C:\Programmi\SmartWhois\swmsie.exe
O9 - Extra 'Tools' menuitem: SmartWhois - {FF983118-58C7-4AD4-B5A7-691C39CB7B42} - C:\Programmi\SmartWhois\swmsie.exe
O11 - Options group: [INTERNATIONAL] International*
O16 - DPF: {00B71CFB-6864-4346-A978-C0A14556272C} (Checkers Class) - http://messenger.zone.msn.com/binary/msgrchkr.cab31267.cab
O16 - DPF: {02BF25D5-8C17-4B23-BC80-D3488ABDDC6B} - http://a1540.g.akamai.net/7/1540/52/20061205/qtinstall.info.apple.com/qtactivex/qtplugin.cab
O16 - DPF: {0EB0E74A-2A76-4AB3-A7FB-9BD8C29F7F75} (CKAVWebScan Object) - http://www.kaspersky.com/kos/eng/partner/default/kavwebscan_unicode.cab
O16 - DPF: {14B87622-7E19-4EA8-93B3-97215F77A6BC} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsPAClient.cab31267.cab
O16 - DPF: {193C772A-87BE-4B19-A7BB-445B226FE9A1} (ewidoOnlineScan Control) - http://download.ewido.net/ewidoOnlineScan.cab
O16 - DPF: {2917297F-F02B-4B9D-81DF-494B6333150B} (Minesweeper Flags Class) - http://messenger.zone.msn.com/binary/MineSweeper.cab31267.cab
O16 - DPF: {2BC66F54-93A8-11D3-BEB6-00105AA9B6AE} (Symantec AntiVirus scanner) - http://security.symantec.com/sscv6/SharedContent/vc/bin/AvSniff.cab
O16 - DPF: {5D6F45B3-9043-443D-A792-115447494D24} (UnoCtrl Class) - http://messenger.zone.msn.com/IT-IT/a-UNO1/GAME_UNO1.cab
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab
O16 - DPF: {644E432F-49D3-41A1-8DD5-E099162EEEC5} (Symantec RuFSI Utility Class) - http://security.symantec.com/sscv6/SharedContent/common/bin/cabsa.cab
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - http://update.microsoft.com/microsoftupdate/v6/V5Controls/en/x86/client/muweb_site.cab?1165585066968
O16 - DPF: {8E0D4DE5-3180-4024-A327-4DFAD1796A8D} (MessengerStatsClient Class) - http://messenger.zone.msn.com/binary/MessengerStatsClient.cab31267.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.cab
O16 - DPF: {B8BE5E93-A60C-4D26-A2DC-220313175592} (ZoneIntro Class) - http://messenger.zone.msn.com/binary/ZIntro.cab53083.cab
O16 - DPF: {BB21F850-63F4-4EC9-BF9D-565BD30C9AE9} (a-squared Scanner) - http://ax.emsisoft.com/asquared.cab
O16 - DPF: {BFF1950D-B1B4-4AE8-B842-B2CCF06D9A1B} (Zylom Games Player) - http://www.arcadetown.com/swf/deliciousdeluxe/zylomplayer.cab
O16 - DPF: {F6BF0D00-0B2A-4A75-BF7B-F385591623AF} (Solitaire Showdown Class) - http://messenger.zone.msn.com/binary/SolitaireShowdown.cab31267.cab
O17 - HKLM\System\CCS\Services\Tcpip\..\{EB140F30-9C9A-4214-A061-2EFC1B49DAEA}: NameServer = 213.205.32.70,213.205.36.70
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
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: Symantec Event Manager (ccEvtMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccEvtMgr.exe
O23 - Service: Symantec Internet Security Password Validation (ccISPwdSvc) - Symantec Corporation - C:\Programmi\Norton Internet Security\ccPwdSvc.exe
O23 - Service: Symantec Network Proxy (ccProxy) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccProxy.exe
O23 - Service: Symantec Settings Manager (ccSetMgr) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\ccSetMgr.exe
O23 - Service: COM Host (comHost) - Symantec Corporation - C:\Programmi\Norton Internet Security\comHost.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: Servizio Auto-Protect di Norton AntiVirus (navapsvc) - Symantec Corporation - C:\Programmi\Norton Internet Security\Norton AntiVirus\navapsvc.exe
O23 - Service: Norton UnErase Protection (NProtectService) - Symantec Corporation - C:\PROGRA~1\NORTON~3\NORTON~1\NPROTECT.EXE
O23 - Service: Norton Protection Center Service (NSCService) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\Security Console\NSCSRVCE.EXE
O23 - Service: NVIDIA Driver Helper Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\System32\nvsvc32.exe
O23 - Service: Symantec AVScan (SAVScan) - Symantec Corporation - C:\Programmi\Norton Internet Security\Norton AntiVirus\SAVScan.exe
O23 - Service: Symantec Network Drivers Service (SNDSrvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SNDSrvc.exe
O23 - Service: Symantec SPBBCSvc (SPBBCSvc) - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\SPBBC\SPBBCSvc.exe
O23 - Service: Speed Disk service - Symantec Corporation - C:\PROGRA~1\NORTON~3\NORTON~1\SPEEDD~1\NOPDB.EXE
O23 - Service: Symantec Core LC - Symantec Corporation - C:\Programmi\File comuni\Symantec Shared\CCPD-LC\symlcsvc.exe
O23 - Service: Utilità di pianificazione di LiveUpdate automatico - Symantec Corporation - C:\Programmi\Symantec\LiveUpdate\ALUSchedulerSvc.exe

Aldilà del log, hai provato a cancellare il collegamento e rifarne uno nuovo?