Hola,

En Vista cada vez que intento abrir el explorador me sale Runtime Error! Program: C:\Windows\Explorer.EXE abnormal program termination

He lanzado HijackThis y el log que obtengo es el sistema:

Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 11:41:25 PM, on 3/23/2009
Platform: Windows Vista SP1 (WinNT 6.00.1905)
MSIE: Internet Explorer v7.00 (7.00.6001.18000)
Boot mode: Normal

Running processes:
C:\Windows\System32\smss.exe
C:\Windows\system32\csrss.exe
C:\Windows\system32\wininit.exe
C:\Windows\system32\csrss.exe
C:\Windows\system32\services.exe
C:\Windows\system32\lsass.exe
C:\Windows\system32\lsm.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\winlogon.exe
C:\Windows\system32\svchost.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\SLsvc.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
C:\Windows\System32\spoolsv.exe
C:\Program Files\Avira\AntiVir Desktop\sched.exe
C:\Program Files\Avira\AntiVir Desktop\avguard.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\Dwm.exe
C:\Windows\system32\taskeng.exe
C:\Windows\Explorer.EXE
C:\Windows\system32\taskeng.exe
C:\Windows\system32\svchost.exe
C:\Program Files\Cisco Systems\VPN Client\cvpnd.exe
C:\Program Files\Intel\Intel Matrix Storage Manager\IAANTMon.exe
C:\Program Files\Common Files\Microsoft Shared\VS7DEBUG\mdm.exe
C:\Program Files\Microsoft SQL Server\MSSQL$ABQ\Binn\sqlservr.exe
C:\Program Files\Microsoft SQL Server\MSSQL$ADVANCEDBIONICS\Binn\sqlservr.exe
c:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Binn\sqlservr.exe
C:\Windows\System32\svchost.exe
C:\Windows\system32\svchost.exe
C:\Program Files\Spyware Doctor\pctsAuxs.exe
C:\Program Files\Windows Defender\MSASCui.exe
C:\Program Files\Winamp\winampa.exe
C:\Program Files\Ulead Systems\Ulead DVD MovieFactory 5\Ulead DVD MovieFactory 5\Quick-Drop.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\Program Files\Dell\Dell Laser MFP 1815\NetworkScan\DNSCST.exe
C:\Windows\System32\M-AudioTaskBarIcon.exe
C:\Program Files\Avira\AntiVir Desktop\avgnt.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe
C:\Program Files\Windows Sidebar\sidebar.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe­
C:\Program Files\VoipBuster.com\VoipBuster\VoipBuster.exe
C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
C:\Program Files\Registry Mechanic\RMTray.exe
C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
c:\Program Files\Microsoft SQL Server\90\Shared\sqlbrowser.exe
c:\Program Files\Microsoft SQL Server\90\Shared\sqlwriter.exe
C:\Windows\system32\svchost.exe
C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe
C:\Windows\System32\svchost.exe
C:\Windows\system32\SearchIndexer.exe
C:\Program Files\RocketDock\RocketDock.exe
C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe
C:\Program Files\Uniblue\RegistryBooster\RegistryBooster.exe
C:\Program Files\Spyware Doctor\pctsSvc.exe
C:\Program Files\Spyware Doctor\pctsTray.exe
C:\Windows\system32\wbem\wmiprvse.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\system32\wuauclt.exe

R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
O4 - HKLM\..\Run: [avast!] C:\PROGRA~1\ALWILS~1\Avast4\ashDisp.exe
O4 - HKLM\..\Run: [NVHotkey] rundll32.exe C:\Windows\system32\nvHotkey.dll,Start
O4 - HKLM\..\Run: [WinampAgent] "C:\Program Files\Winamp\winampa.exe"
O4 - HKLM\..\Run: [Ulead Quick-Drop] "C:\Program Files\Ulead Systems\Ulead DVD MovieFactory 5\Ulead DVD MovieFactory 5\Quick-Drop.exe" WINDOWCALL
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 8.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [AppleSyncNotifier] C:\Program Files\Common Files\Apple\Mobile Device Support\bin\AppleSyncNotifier.exe
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\QTTask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [DellNSCST_GRNCH] "C:\Program Files\DELL\Dell Laser MFP 1815\NetworkScan\DNSCST.exe" /HIDEUI
O4 - HKLM\..\Run: [M-Audio Taskbar Icon] C:\Windows\System32\M-AudioTaskBarIcon.exe
O4 - HKLM\..\Run: [avgnt] "C:\Program Files\Avira\AntiVir Desktop\avgnt.exe" /min
O4 - HKLM\..\Run: [ISTray] "C:\Program Files\Spyware Doctor\pctsTray.exe"
O4 - HKCU\..\Run: [Sidebar] C:\Program Files\Windows Sidebar\sidebar.exe /autoRun
O4 - HKCU\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [VoipBuster] "C:\Program Files\VoipBuster.com\VoipBuster\VoipBuster.exe" -nosplash -minimized
O4 - HKCU\..\Run: [Uniblue RegistryBooster 2009] c:\program files\uniblue\registrybooster\StartRegistryBooster.exe
O4 - HKCU\..\Run: [SpybotSD TeaTimer] C:\Program Files\Spybot - Search & Destroy\TeaTimer.exe
O4 - HKCU\..\Run: [RegistryMechanic] C:\Program Files\Registry Mechanic\RMTray.exe /H
O4 - HKUS\S-1-5-19\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-19\..\Run: [WindowsWelcomeCenter] rundll32.exe oobefldr.dll,ShowWelcomeCenter (User 'LOCAL SERVICE')
O4 - HKUS\S-1-5-20\..\Run: [Sidebar] %ProgramFiles%\Windows Sidebar\Sidebar.exe /detectMem (User 'NETWORK SERVICE')
O4 - Startup: RocketDock.lnk = C:\Program Files\RocketDock\RocketDock.exe
O4 - Global Startup: Service Manager.lnk = C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O4 - Global Startup: VPN Client.lnk = ?
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra 'Tools' menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Skype - {77BF5300-1474-4EC7-9980-D32B190E9B07} - C:\Program Files\Skype\Toolbars\Internet Explorer\SkypeIEPlugin.dll
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - (no file)
O9 - Extra 'Tools' menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - (no file)
O13 - Gopher Prefix:
O23 - Service: Avira AntiVir Scheduler (AntiVirSchedulerService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\sched.exe
O23 - Service: Avira AntiVir Guard (AntiVirService) - Avira GmbH - C:\Program Files\Avira\AntiVir Desktop\avguard.exe
O23 - Service: avast! iAVS4 Control Service (aswUpdSv) - ALWIL Software - C:\Program Files\Alwil Software\Avast4\aswUpdSv.exe
O23 - Service: Cisco Systems, Inc. VPN Service (CVPND) - Cisco Systems, Inc. - C:\Program Files\Cisco Systems\VPN Client\cvpnd.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Intel(R) Matrix Storage Event Monitor (IAANTMON) - Intel Corporation - C:\Program Files\Intel\Intel Matrix Storage Manager\IAANTMon.exe
O23 - Service: SBSD Security Center Service (SBSDWSCService) - Safer Networking Ltd. - C:\Program Files\Spybot - Search & Destroy\SDWinSec.exe
O23 - Service: PC Tools Auxiliary Service (sdAuxService) - PC Tools - C:\Program Files\Spyware Doctor\pctsAuxs.exe
O23 - Service: PC Tools Security Service (sdCoreService) - PC Tools - C:\Program Files\Spyware Doctor\pctsSvc.exe
O23 - Service: Ulead Burning Helper (UleadBurningHelper) - Ulead Systems, Inc. - C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe


Alguien me podria ayudar ?

Muchas gracias

Configuración: Windows Vista