It,s m first time on so bare with me.I had a severe computer slowdown so I ran several different virus scans
but the computer shuts down within 5 mins of each start.
Can anyone help.here is my logfile


Logfile of HijackThis v1.99.1
Scan saved at 13:16:33, on 11/04/2007
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:\WINDOWS\Explorer.EXE
C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files\Java\jre1.5.0_11\bin\jusched.exe
C:\Program Files\Iconix\OEAddOn\OEdmn_2.exe
C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe
C:\Program Files\FRISK Software\F-PROT Antivirus for Windows\FProtTray.exe
C:\WINDOWS\System32\ctfmon.exe
C:\Program Files\MSN Messenger\MsnMsgr.Exe
C:\Program Files\Sophos\AutoUpdate\ALMon.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\FRISK Software\F-PROT Antivirus for Windows\FPAVServer.exe
C:\Program Files\Common Files\Protexis\License Service\PSIService.exe
c:\Program Files\Sophos\Sophos Anti-Virus\SAVAdminService.exe
c:\Program Files\Sophos\AutoUpdate\ALsvc.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\ZONELABS\vsmon.exe
C:\WINDOWS\System32\wuauclt.exe
C:\Program Files\HijackThis\HijackThis.exe

O2 - BHO: Adobe PDF Reader Link Helper - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelper.dll
O2 - BHO: ChangerBHO Class - {0edc6c20-a31c-11db-8ab9-0800200c9a66} - C:\WINDOWS\system32\wintrusta.dll (file missing)
O2 - BHO: IconixBHOClass Class - {761233B6-F228-49E4-8F6B-668499D4E55A} - C:\Program Files\Iconix\IEAddOn\IconixBHO_20.dll
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_11\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: WeeklyExecuter Class - {f015f320-ab08-11db-abbd-0800200c9a66} - C:\WINDOWS\inetloader.dll (file missing)
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [RegisterDropHandler] C:\PROGRA~1\TEXTBR~1.0\Bin\REGIST~1.EXE
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre1.5.0_11\bin\jusched.exe"
O4 - HKLM\..\Run: [IconixOEAddOn] "C:\Program Files\Iconix\OEAddOn\OEdmn_2.exe"
O4 - HKLM\..\Run: [ZoneAlarm Client] "C:\Program Files\Zone Labs\ZoneAlarm\zlclient.exe"
O4 - HKLM\..\Run: [ISUSPM Startup] "C:\Program Files\Common Files\InstallShield\UpdateService\ISUSPM.exe" -startup
O4 - HKLM\..\Run: [F-PROT Antivirus Tray application] C:\Program Files\FRISK Software\F-PROT Antivirus for Windows\FProtTray.exe
O4 - HKLM\..\RunServices: [RegisterDropHandler] C:\PROGRA~1\TEXTBR~1.0\Bin\REGIST~1.EXE
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\System32\ctfmon.exe
O4 - HKCU\..\Run: [EPSON Stylus C60 Series] C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\E_A10IC2.EXE /P23 "EPSON Stylus C60 Series" /O5 "LPT1:" /M "Stylus C60"
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\MSN Messenger\MsnMsgr.Exe" /background
O4 - Global Startup: Adobe Reader Synchronizer.lnk = C:\Program Files\Adobe\Reader 8.0\Reader\AdobeCollabSync.exe
O4 - Global Startup: AutoUpdate Monitor.lnk = C:\Program Files\Sophos\AutoUpdate\ALMon.exe
O8 - Extra context menu item: &eBay Search - res://C:\Program Files\eBay\eBay Toolbar2\eBayTb.dll/RCSearch.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~1\Office10\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_11\bin\ssv.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_11\bin\ssv.dll
O9 - Extra button: (no name) - {400A6CFA-E326-4d61-A90C-9AD75358DC5F} - C:\Program Files\Iconix\IEAddOn\IconixBHO_20.dll
O9 - Extra 'Tools' menuitem: Iconix Preferences - {400A6CFA-E326-4d61-A90C-9AD75358DC5F} - C:\Program Files\Iconix\IEAddOn\IconixBHO_20.dll
O9 - Extra button: (no name) - {BC3F6B6D-2E49-4603-B028-7411655713F3} - C:\Program Files\Iconix\IEAddOn\IconixBHO_20.dll
O9 - Extra 'Tools' menuitem: About Iconix - {BC3F6B6D-2E49-4603-B028-7411655713F3} - C:\Program Files\Iconix\IEAddOn\IconixBHO_20.dll
O12 - Plugin for .pdf: C:\Program Files\Internet Explorer\PLUGINS\nppdf32.dll
O16 - DPF: {05317530-B882-449D-9421-18D94FA3ED34} (OSInfo Control) - http://www.sis.com/ocis/OSInfo.cab
O16 - DPF: {16095503-786F-4097-AED6-5D567A26D760} (SiS_OCX Control) - http://www.sis.com/ocis/SiSAutodetectNT.cab
O16 - DPF: {9A9307A0-7DA4-4DAF-B042-5009F29E09E1} (ActiveScan Installer Class) - http://acs.pandasoftware.com/activescan/as5free/asinst.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
O20 - Winlogon Notify: !SASWinLogon - C:\Program Files\SUPERAntiSpyware\SASWINLO.dll
O23 - Service: F-PROT Antivirus for Windows system (FPAVServer) - FRISK Software - C:\Program Files\FRISK Software\F-PROT Antivirus for Windows\FPAVServer.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: ProtexisLicensing - Unknown owner - C:\Program Files\Common Files\Protexis\License Service\PSIService.exe
O23 - Service: Sophos Anti-Virus status reporter (SAVAdminService) - Sophos Plc - c:\Program Files\Sophos\Sophos Anti-Virus\SAVAdminService.exe
O23 - Service: Sophos Anti-Virus (SAVService) - Sophos Plc - c:\Program Files\Sophos\Sophos Anti-Virus\SavService.exe
O23 - Service: Sophos AutoUpdate Service - Sophos Plc - c:\Program Files\Sophos\AutoUpdate\ALsvc.exe
O23 - Service: TrueVector Internet Monitor (vsmon) - Zone Labs, LLC - C:\WINDOWS\system32\ZONELABS\vsmon.exe

Any assistance would be great
boru