internet explorer

please help i have this error everytime i load up my i.e explorer page it keeps telling me i.e canot connect.
Once a site is loading the file name Dnserrordiagoff.htm takes over.



Logfile of HijackThis v1.99.1
Scan saved at 1:37:27 PM, on 1/24/2007
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\system32\LEXBCES.EXE
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\LEXPPS.EXE
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\carpserv.exe
C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\Program Files\Dell\AccessDirect\dadapp.exe
C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe
C:\Program Files\Dell\AccessDirect\DadTray.exe
C:\Program Files\Trend Micro\Internet Security 2006\pccguide.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\cisvc.exe
C:\PROGRA~1\TRENDM~1\INTERN~1\PcCtlCom.exe
C:\PROGRA~1\TRENDM~1\INTERN~1\Tmntsrv.exe
C:\PROGRA~1\TRENDM~1\INTERN~1\tmproxy.exe
C:\PROGRA~1\TRENDM~1\INTERN~1\TmPfw.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\WINDOWS\system32\wuauclt.exe
C:\DOCUME~1\JEFFRE~1\LOCALS~1\Temp\Temporary Directory 1 for hijackthis.zip\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = www.yahoo.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http:///www.yahoo.com
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 = www.yahoo.com
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = www.utm.edu
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,First Home Page = http://go.microsoft.com/fwlink/?LinkId=54843
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Local Page =
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Local Page =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: (no name) - {53707962-6F74-2D53-2644-206D7942484F} - C:\Program Files\Spybot - Search & Destroy\SDHelper.dll
O2 - BHO: (no name) - {642E4271-4DFA-45EF-AF9B-EEB6C55FCD0D} - (no file)
O2 - BHO: TChkBHO Class - {85AE7430-A87C-4A45-A5E1-20FEB452B46F} - (no file)
O4 - HKLM\..\Run: [IgfxTray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [HotKeysCmds] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [CARPService] carpserv.exe
O4 - HKLM\..\Run: [SynTPLpr] C:\Program Files\Synaptics\SynTP\SynTPLpr.exe
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
O4 - HKLM\..\Run: [DadApp] C:\Program Files\Dell\AccessDirect\dadapp.exe
O4 - HKLM\..\Run: [AdaptecDirectCD] "C:\Program Files\Roxio\Easy CD Creator 5\DirectCD\DirectCD.exe"
O4 - HKLM\..\Run: [DwlClient] C:\Program Files\Common Files\Dell\EUSW\Support.exe
O4 - HKLM\..\Run: [pccguide.exe] "C:\Program Files\Trend Micro\Internet Security 2006\pccguide.exe"
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: Digital Line Detect.lnk = ?
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~3\OFFICE11\REFIEBAR.DLL
O9 - Extra button: Real.com - {CD67F990-D8E9-11d2-98FE-00C0F0318AFE} - C:\WINDOWS\System32\Shdocvw.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
O11 - Options group: [INTERNATIONAL] International*
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxsrvc.dll
O23 - Service: LexBce Server (LexBceS) - Lexmark International, Inc. - C:\WINDOWS\system32\LEXBCES.EXE
O23 - Service: Trend Micro Central Control Component (PcCtlCom) - Trend Micro Incorporated. - C:\PROGRA~1\TRENDM~1\INTERN~1\PcCtlCom.exe
O23 - Service: Trend Micro Real-time Service (Tmntsrv) - Trend Micro Incorporated. - C:\PROGRA~1\TRENDM~1\INTERN~1\Tmntsrv.exe
O23 - Service: Trend Micro Personal Firewall (TmPfw) - Trend Micro Inc. - C:\PROGRA~1\TRENDM~1\INTERN~1\TmPfw.exe
O23 - Service: Trend Micro Proxy Service (tmproxy) - Trend Micro Inc. - C:\PROGRA~1\TRENDM~1\INTERN~1\tmproxy.exe
O23 - Service: WAN Miniport (ATW) Service (WANMiniportService) - Unknown owner - (no file)