hi i have a problem with one of my laptops, i have no internet, system restore will not run, i have an error msg saying, the application dll c: windows\system32\mshtml.dll is not a valid windows image please check this with your installation casette.
any help would be much appreciated,

Logfile of HijackThis v1.99.1
Scan saved at 19:31:06, on 15/08/2008
Platform: Windows XP SP2 (WinNT 5.01.2600)
MSIE: Internet Explorer v6.00 SP2 (6.00.2900.2180)

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:\Program Files\Virgin Broadband\PCguard\Fws.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Adobe\Photoshop Elements 3.0\PhotoshopElementsFileAgent.exe
C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
C:\Program Files\Common Files\Authentium\AntiVirus\dvpapi.exe
C:\Program Files\CA\PPRT\bin\ITMRTSVC.exe
C:\Program Files\Microsoft SQL Server\MSSQL$VAIO_VEDB\Binn\sqlservr.exe
C:\WINDOWS\system32\nvsvc32.exe
C:\Program Files\Raxco\PerfectDisk\PDAgent.exe
C:\Program Files\Adobe\Photoshop Elements 3.0\PhotoshopElementsDeviceConnect.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Sony\VAIO Event Service\VESMgr.exe
C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VCSW\VCSW.exe
C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzCdb\VzCdbSvc.exe
C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzCdb\VzFw.exe
C:\Program Files\Raxco\PerfectDisk\PDEngine.exe
C:\Program Files\Common Files\Sony Shared\VAIO Entertainment\VzRs\VzRs.exe
C:\Program Files\Apoint\Apoint.exe
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\system32\ICO.EXE
C:\Program Files\Sony\VAIO Power Management\SPMgr.exe
C:\Program Files\Sony\ISB Utility\ISBMgr.exe
C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe
C:\Program Files\Virgin Broadband\advisor\Broadbandadvisor.exe
C:\Program Files\Virgin Broadband\PCguard\Rps.exe
C:\Program Files\Java\jre1.5.0_03\bin\jusched.exe
C:\WINDOWS\system32\pm_proc1.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Apoint\Apntex.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe
c:\windows\system32\pm_proc2.exe
C:\Program Files\iMesh\Client\iMeshClient.exe
C:\Program Files\Virgin Broadband\advisor\BroadbandadvisorComHandler.exe
C:\Program Files\Virgin Broadband\PCguard\rpsupdaterR.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Hijackthis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer,SearchURL = http://internetsearchservice.com
R1 - HKLM\Software\Microsoft\Internet Explorer,SearchURL = http://internetsearchservice.com
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = http://internetsearchservice.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.google.co.uk/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://www.club-vaio.com/en/
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Bar = http://internetsearchservice.com/ie6.html
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = http://internetsearchservice.com
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://vcl.vaio.sony.co.jp/eu/PforVAIO.htm
R3 - URLSearchHook: Calton Toolbar - {09aaccc4-cb00-428c-a29a-5ee27b1414cb} - C:\Program Files\Calton\tbCal1.dll
O2 - BHO: myBar BHO - {0494D0D1-F8E0-41ad-92A3-14154ECE70AC} - C:\Program Files\MyWay\myBar\1.bin\MYBAR.DLL
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: Calton Toolbar - {09aaccc4-cb00-428c-a29a-5ee27b1414cb} - C:\Program Files\Calton\tbCal1.dll
O2 - BHO: Pop-Up Blocker BHO - {3C060EA2-E6A9-4E49-A530-D4657B8C449A} - C:\Program Files\Virgin Broadband\PCguard\pkR.dll
O2 - BHO: URLLink Class - {4A2AACF3-ADF6-11D5-98A9-00E018981B9E} - C:\Program Files\NewDotNet\newdotnet4_85.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Windows Live Sign-in Helper - {9030D464-4C02-4ABF-8ECC-5164760863C6} - C:\Program Files\Common Files\Microsoft Shared\Windows Live\WindowsLiveLogin.dll
O2 - BHO: C:\WINDOWS\lbbho.dll - {99C62DE6-53E3-4618-8FFD-0EFF70BE08C2} - C:\WINDOWS\lbbho.dll (file missing)
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\3.0.1225.9868\swg.dll
O2 - BHO: 443059 helper - {C6D09EC9-DDB2-4EC4-9D6F-B680A7A849CF} - (no file)
O2 - BHO: (no name) - {D810B78A-D010-44DF-8445-AC58086B600E} - C:\WINDOWS\system32\pm_dll.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O3 - Toolbar: Calton Toolbar - {09aaccc4-cb00-428c-a29a-5ee27b1414cb} - C:\Program Files\Calton\tbCal1.dll
O3 - Toolbar: My &Search Bar - {0494D0D9-F8E0-41ad-92A3-14154ECE70AC} - C:\Program Files\MyWay\myBar\1.bin\MYBAR.DLL
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [Apoint] C:\Program Files\Apoint\Apoint.exe
O4 - HKLM\..\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM\..\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM\..\Run: [AzMixerSel] C:\Program Files\Realtek\InstallShield\AzMixerSel.exe
O4 - HKLM\..\Run: [Mouse Suite 98 Daemon] ICO.EXE
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [Persistence] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [SonyPowerCfg] C:\Program Files\Sony\VAIO Power Management\SPMgr.exe
O4 - HKLM\..\Run: [ISBMgr.exe] C:\Program Files\Sony\ISB Utility\ISBMgr.exe
O4 - HKLM\..\Run: [Acrobat Assistant 7.0] "C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe"
O4 - HKLM\..\Run: [PrepareYourVAIO] C:\Program Files\Sony\Prepare your VAIO\PYVAlert.exe
O4 - HKLM\..\Run: [Broadbandadvisor.exe] "C:\Program Files\Virgin Broadband\advisor\Broadbandadvisor.exe" /AUTORUN
O4 - HKLM\..\Run: [PCguard] "C:\Program Files\Virgin Broadband\PCguard\Rps.exe"
O4 - HKLM\..\Run: [-FreedomNeedsReboot] "C:\Program Files\Virgin Broadband\PCguard\ZkRunOnceR.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre1.5.0_03\bin\jusched.exe
O4 - HKLM\..\Run: [plsi] C:\WINDOWS\system32\pm_proc1.exe
O4 - HKLM\..\Run: [New.net Startup] rundll32 C:\PROGRA~1\NEWDOT~1\NEWDOT~1.DLL,NewDotNetStartup
O4 - HKLM\..\Run: [Trickler] "c:\documents and settings\gilmours\local settings\temp\fsg_4104.exe"
O4 - HKLM\..\RunOnce: [IndexCleaner] "C:\Program Files\Virgin Broadband\PCguard\IdxClnR.exe"
O4 - HKCU\..\Run: [CTFMON.EXE] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [swg] C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
O4 - HKCU\..\Run: [MsnMsgr] "C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe" /background
O4 - HKCU\..\RunOnce: [IndexCleaner] "C:\Program Files\Virgin Broadband\PCguard\IdxClnR.exe"
O4 - Startup: iMesh.lnk = C:\Program Files\iMesh\Client\iMeshClient.exe
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~4\OFFICE11\EXCEL.EXE/3000
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_03\bin\npjpi150_03.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_03\bin\npjpi150_03.dll
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: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~4\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra 'Tools' menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O10 - Hijacked Internet access by New.Net
O14 - IERESET.INF: START_PAGE_URL=http://www.club-vaio.com/en/
O15 - Trusted Zone: *.sony-europe.com
O15 - Trusted Zone: *.sonystyle-europe.com
O15 - Trusted Zone: *.vaio-link.com
O16 - DPF: {5D86DDB5-BDF9-441B-9E9E-D4730F4EE499} (BDSCANONLINE Control) - http://download.bitdefender.com/resources/scan8/oscan8.cab
O18 - Protocol: livecall - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\WINDOW~4\MESSEN~1\MSGRAP~1.DLL
O18 - Protocol: msnim - {828030A1-22C1-4009-854F-8E305202313F} - C:\PROGRA~1\WINDOW~4\MESSEN~1\MSGRAP~1.DLL
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O20 - Winlogon Notify: VESWinlogon - C:\WINDOWS\SYSTEM32\VESWinlogon.dll
O23 - Service: Adobe Active File Monitor (AdobeActiveFileMonitor) - Unknown owner - C:\Program Files\Adobe\Photoshop Elements 3.0\PhotoshopElementsFileAgent.exe
O23 - Service: Automatic LiveUpdate Scheduler - Symantec Corporation - C:\Program Files\Symantec\LiveUpdate\ALUSchedulerSvc.exe
O23 - Service: DvpApi (dvpapi) - Authentium, Inc. - C:\Program Files\Common Files\Authentium\AntiVirus\dvpapi.exe
O23 - Service: EvtEng - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: Image Converter video recording monitor for VAIO Entertainment - Sony Corporation - C:\Program Files\Sony\Image Converter 2\IcVzMon.exe
O23 - Service: CA Pest Patrol Realtime Protection Service (ITMRTSVC) - CA, Inc. - C:\Program Files\CA\PPRT\bin\ITMRTSVC.exe
O23 - Service: LiveUpdate - Symantec Corporation - C:\PROGRA~1\Symantec\LIVEUP~1\LUCOMS~1.EXE
O23 - Service: MSCSPTISRV - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\MSCSPTISRV.exe
O23 - Service: NVIDIA Display Driver Service (NVSvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: PACSPTISVR - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\PACSPTISVR.exe
O23 - Service: PDAgent - Raxco Software, Inc. - C:\Program Files\Raxco\PerfectDisk\PDAgent.exe
O23 - Service: PDEngine - Raxco Software, Inc. - C:\Program Files\Raxco\PerfectDisk\PDEngine.exe
O23 - Service: Photoshop Elements Device Connect (PhotoshopElementsDeviceConnect) - Unknown owner - C:\Program Files\Adobe\Photoshop Elements 3.0\PhotoshopElementsDeviceConnect.exe
O23 - Service: RegSrvc - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Virgin Broadband PCguard Update Service (RPSUpdaterR) - Radialpoint Inc. - C:\Program Files\Virgin Broadband\PCguard\rpsupdaterR.exe
O23 - Service: PCguard Firewall (RP_FWS) - Virgin Media - C:\Program Files\Virgin Broadband\PCguard\Fws.exe
O23 - Service: Spectrum24 Event Monitor (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: Sony SPTI Service (SPTISRV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SPTISRV.exe
O23 - Service: SonicStage SCSI Service (SSScsiSV) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\AVLib\SSScsiSV.exe
O23 - Service: SymWMI Service (SymWSC) - Symantec Corporation - C:\Program Files\Common Files\Symantec Shared\Security Center\SymWSC.exe
O23 - Service: VAIO Entertainment Aggregation and Control Service - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment\VzRs\VzRs.exe
O23 - Service: VAIO Entertainment Task Scheduler - Sony Corporation - C:\Program Files\Sony\VAIO Entertainment\VzTaskScheduler.exe
O23 - Service: VAIO Entertainment TV Device Arbitration Service - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzCs\VzHardwareResourceManager\VzHardwareResourceManager.exe
O23 - Service: VAIO Event Service - Sony Corporation - C:\Program Files\Sony\VAIO Event Service\VESMgr.exe
O23 - Service: VAIO Media Integrated Server (VAIOMediaPlatform-IntegratedServer-AppServer) - Sony Corporation - C:\Program Files\Sony\VAIO Media Integrated Server\VMISrv.exe
O23 - Service: VAIO Media Integrated Server (HTTP) (VAIOMediaPlatform-IntegratedServer-HTTP) - Unknown owner - C:\Program Files\Sony\VAIO Media Integrated Server\Platform\SV_Httpd.exe" /Service=VAIOMediaPlatform-IntegratedServer-HTTP /RegRoot="SOFTWARE\Sony Corporation\VAIO Media Platform\2.0" /RegExt="Applications\IntegratedServer\HTTP (file missing)
O23 - Service: VAIO Media Integrated Server (UPnP) (VAIOMediaPlatform-IntegratedServer-UPnP) - Sony Corporation - C:\Program Files\Sony\VAIO Media Integrated Server\Platform\UPnPFramework.exe
O23 - Service: VAIO Media Gateway Server (VAIOMediaPlatform-Mobile-Gateway) - Unknown owner - C:\Program Files\Sony\VAIO Media Integrated Server\Platform\VmGateway.exe" /Service=VAIOMediaPlatform-Mobile-Gateway /RegRoot="SOFTWARE\Sony Corporation\VAIO Media Platform\2.0" /RegExt="\Addons\Packages\Mobile\Gateway" /DisplayName="VAIO Media Gateway Server (file missing)
O23 - Service: VAIO Entertainment UPnP Client Adapter (Vcsw) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VCSW\VCSW.exe
O23 - Service: VAIO Entertainment Database Service (VzCdbSvc) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzCdb\VzCdbSvc.exe
O23 - Service: VAIO Entertainment File Import Service (VzFw) - Sony Corporation - C:\Program Files\Common Files\Sony Shared\VAIO Entertainment Platform\VzCdb\VzFw.exe

sorry for any mistakes, not too computer literate!