I am having a similar problem as a previous poster. My tackbar seems ok when first starting my computer but changes shortly after. here is my hijack notepad results
Logfile of Trend Micro HijackThis v2.0.4
Scan saved at 10:30:28 AM, on 8/4/2010
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v8.00 (8.00.6001.18702)
Boot mode: Normal

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\nvsvc32.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\AVG\AVG9\avgchsvx.exe
C:\Program Files\AVG\AVG9\avgrsx.exe
C:\Program Files\AVG\AVG9\avgcsrvx.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\AVG\AVG9\avgwdsvc.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\AVG\AVG9\avgam.exe
C:\Program Files\Intel\AMT\LMS.exe
C:\Program Files\AVG\AVG9\avgnsx.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Microsoft\Search Enhancement Pack\SeaPort\SeaPort.exe
C:\Program Files\Wave Systems Corp\Trusted Drive Manager\TdmService.exe
C:\Program Files\Common Files\Intel\Privacy Icon\UNS\UNS.exe
C:\Program Files\Analog Devices\Core\smax4pnp.exe
C:\WINDOWS\system32\RUNDLL32.EXE
C:\Program Files\Intel\Intel Matrix Storage Manager\iaanotif.exe
C:\Program Files\Wave Systems Corp\Services Manager\Docmgr\bin\WavXDocMgr.exe
C:\Program Files\Dell\Dell ControlPoint\Dell.ControlPoint.exe
C:\Program Files\Dell\Dell ControlPoint\Security Manager\BcmDeviceAndTaskStatusService.exe
C:\Program Files\Adobe\Acrobat 9.0\Acrobat\Acrotray.exe
C:\Program Files\CyberLink\PowerDVD DX\PDVDDXSrv.exe
C:\Program Files\Java\jre6\bin\jusched.exe
C:\PROGRA~1\AVG\AVG9\avgtray.exe
C:\Program Files\HP\hpcoretech\hpcmpmgr.exe
C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd2.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Program Files\Windows Live\Messenger\msnmsgr.exe
C:\WINDOWS\system32\ctfmon.exe
C:\WINDOWS\system32\SearchIndexer.exe
C:\Program Files\Windows Desktop Search\WindowsSearch.exe
C:\Program Files\Intel\Intel Matrix Storage Manager\IAANTMon.exe
C:\Program Files\AVG\AVG9\avgcsrvx.exe
C:\Program Files\Java\jre6\bin\jucheck.exe
C:\Program Files\Malwarebytes' Anti-Malware\mbam.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Windows Live\Toolbar\wltuser.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\HPZSTC10.exe
C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\HPZENG10.exe
C:\WINDOWS\system32\msiexec.exe
C:\WINDOWS\system32\SearchProtocolHost.exe
C:\Documents and Settings\Brett\Local Settings\Temporary Internet Files\Content.IE5\UC8LFK2D\HijackThis[1].exe
C:\WINDOWS\system32\svchost.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = http://g.msn.com/USREL/1
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Bar = http://www.bing.com/sphome.aspx
R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://www.bing.com
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.weathertap.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 = http://go.microsoft.com/fwlink/?LinkId=54896
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://go.microsoft.com/fwlink/?LinkId=69157
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant = http://www.bing.com/sphome.aspx
R1 - HKLM\Software\Microsoft\Internet Explorer\Search,Default_Page_URL = http://g.msn.com/USREL/1
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyServer = http=127.0.0.1:5577
R3 - URLSearchHook: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG9\Toolbar\IEToolbar.dll
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG9\avgssie.dll
O2 - BHO: (no name) - {5C255C8A-E604-49b4-9D64-90988571CECB} - (no file)
O2 - BHO: Search Helper - {6EBF7485-159F-4bff-A14F-B9E3AAC4465B} - C:\Program Files\Microsoft\Search Enhancement Pack\Search Helper\SEPsearchhelperie.dll
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: AVG Security Toolbar BHO - {A3BC75A2-1F87-4686-AA43-5347D756017C} - C:\Program Files\AVG\AVG9\Toolbar\IEToolbar.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Adobe PDF Conversion Toolbar Helper - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.5.5126.1836\swg.dll
O2 - BHO: Java(tm) Plug-In 2 SSV Helper - {DBC80044-A445-435b-BC74-9C25C1C588A9} - C:\Program Files\Java\jre6\bin\jp2ssv.dll
O2 - BHO: Windows Live Toolbar Helper - {E15A8DC0-8516-42A1-81EA-DC94EC1ACF10} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O2 - BHO: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O2 - BHO: SmartSelect - {F4971EE7-DAA0-4053-9964-665D8EE6A077} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll
O3 - Toolbar: &Windows Live Toolbar - {21FA44EF-376D-4D53-9B0F-8A89D3229068} - C:\Program Files\Windows Live\Toolbar\wltcore.dll
O3 - Toolbar: AVG Security Toolbar - {CCC7A320-B3CA-4199-B1A6-9F516DD69829} - C:\Program Files\AVG\AVG9\Toolbar\IEToolbar.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [SoundMAXPnP] C:\Program Files\Analog Devices\Core\smax4pnp.exe
O4 - HKLM\..\Run: [NvMediaCenter] RUNDLL32.EXE C:\WINDOWS\system32\NvMcTray.dll,NvTaskbarInit
O4 - HKLM\..\Run: [NvCplDaemon] RUNDLL32.EXE C:\WINDOWS\system32\NvCpl.dll,NvStartup
O4 - HKLM\..\Run: [IAAnotif] C:\Program Files\Intel\Intel Matrix Storage Manager\iaanotif.exe
O4 - HKLM\..\Run: [picon] "C:\Program Files\Common Files\Intel\Privacy Icon\PrivacyIconClient.exe" -startup
O4 - HKLM\..\Run: [ChangeTPMAuth] C:\Program Files\Wave Systems Corp\Common\ChangeTPMAuth.exe /T:NTRU12
O4 - HKLM\..\Run: [WavXMgr] C:\Program Files\Wave Systems Corp\Services Manager\Docmgr\bin\WavXDocMgr.exe
O4 - HKLM\..\Run: [DellControlPoint] "C:\Program Files\Dell\Dell ControlPoint\Dell.ControlPoint.exe"
O4 - HKLM\..\Run: [USCService] C:\Program Files\Dell\Dell ControlPoint\Security Manager\BcmDeviceAndTaskStatusService.exe
O4 - HKLM\..\Run: [Adobe Acrobat Speed Launcher] "C:\Program Files\Adobe\Acrobat 9.0\Acrobat\Acrobat_sl.exe"
O4 - HKLM\..\Run: [Acrobat Assistant 8.0] "C:\Program Files\Adobe\Acrobat 9.0\Acrobat\Acrotray.exe"
O4 - HKLM\..\Run: [PDVDDXSrv] "C:\Program Files\CyberLink\PowerDVD DX\PDVDDXSrv.exe"
O4 - HKLM\..\Run: [SunJavaUpdateSched] "C:\Program Files\Java\jre6\bin\jusched.exe"
O4 - HKLM\..\Run: [AVG9_TRAY] C:\PROGRA~1\AVG\AVG9\avgtray.exe
O4 - HKLM\..\Run: [Adobe Reader Speed Launcher] "C:\Program Files\Adobe\Reader 9.0\Reader\Reader_sl.exe"
O4 - HKLM\..\Run: [Adobe ARM] "C:\Program Files\Common Files\Adobe\ARM\1.0\AdobeARM.exe"
O4 - HKLM\..\Run: [HP Component Manager] "C:\Program Files\HP\hpcoretech\hpcmpmgr.exe"
O4 - HKLM\..\Run: [HP Software Update] "C:\Program Files\Hewlett-Packard\HP Software Update\HPWuSchd2.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\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKUS\S-1-5-18\..\Run: [tqbvhivt] C:\Documents and Settings\NetworkService\Local Settings\Application Data\srvxqybkq\snjvmghtssd.exe (User 'SYSTEM')
O4 - HKUS\.DEFAULT\..\Run: [tqbvhivt] C:\Documents and Settings\NetworkService\Local Settings\Application Data\srvxqybkq\snjvmghtssd.exe (User 'Default user')
O4 - Global Startup: Desktop Manager.lnk = C:\Program Files\Research In Motion\BlackBerry\DesktopMgr.exe
O4 - Global Startup: Windows Search.lnk = C:\Program Files\Windows Desktop Search\WindowsSearch.exe
O8 - Extra context menu item: Append Link Target to Existing PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppendSelLinks.html
O8 - Extra context menu item: Append to Existing PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIEAppend.html
O8 - Extra context menu item: Convert Link Target to Adobe PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECaptureSelLinks.html
O8 - Extra context menu item: Convert to Adobe PDF - res://C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEFavClient.dll/AcroIECapture.html
O8 - Extra context menu item: E&xport to Microsoft Excel - res://C:\PROGRA~1\MICROS~2\Office12\EXCEL.EXE/3000
O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_89D8574934B26AC4.dll/cmsidewiki.html
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: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra 'Tools' menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
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
O16 - DPF: {5ED80217-570B-4DA9-BF44-BE107C0EC166} (Windows Live Safety Center Base Module) - http://cdn.scan.onecare.live.com/resource/download/scanner/wlscbase6087.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O18 - Protocol: avgsecuritytoolbar - {F2DDE6B2-9684-4A55-86D4-E255E237B77C} - C:\Program Files\AVG\AVG9\Toolbar\IEToolbar.dll
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG9\avgpp.dll
O20 - Winlogon Notify: avgrsstarter - avgrsstx.dll (file missing)
O22 - SharedTaskScheduler: Browseui preloader - {438755C2-A8BA-11D1-B96B-00A0C90312E1} - C:\WINDOWS\system32\browseui.dll
O22 - SharedTaskScheduler: Component Categories cache daemon - {8C7461EF-2B13-11d2-BE35-3078302C2030} - C:\WINDOWS\system32\browseui.dll
O23 - Service: AVG Security Toolbar Service - Unknown owner - C:\Program Files\AVG\AVG9\Toolbar\ToolbarBroker.exe
O23 - Service: AVG WatchDog (avg9wd) - AVG Technologies CZ, s.r.o. - C:\Program Files\AVG\AVG9\avgwdsvc.exe
O23 - Service: FLEXnet Licensing Service - Macrovision Europe Ltd. - C:\Program Files\Common Files\Macrovision Shared\FLEXnet Publisher\FNPLicensingService.exe
O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Software Updater (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: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1050\Intel 32\IDriverT.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Intel(R) Management and Security Application Local Management Service (LMS) - Intel Corporation - C:\Program Files\Intel\AMT\LMS.exe
O23 - Service: NVIDIA Display Driver Service (nvsvc) - NVIDIA Corporation - C:\WINDOWS\system32\nvsvc32.exe
O23 - Service: OKI OPHG DCS Loader - Oki Data Corporation - C:\WINDOWS\System32\spool\DRIVERS\W32X86\3\OPHGLDCS.EXE
O23 - Service: Roxio UPnP Renderer 9 - Sonic Solutions - C:\Program Files\Roxio\Digital Home 9\RoxioUPnPRenderer9.exe
O23 - Service: Roxio Upnp Server 9 - Sonic Solutions - C:\Program Files\Roxio\Digital Home 9\RoxioUpnpService9.exe
O23 - Service: LiveShare P2P Server 9 (RoxLiveShare9) - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxLiveShare9.exe
O23 - Service: RoxMediaDB9 - Sonic Solutions - C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxMediaDB9.exe
O23 - Service: Roxio Hard Drive Watcher 9 (RoxWatch9) - Unknown owner - C:\Program Files\Common Files\Roxio Shared\9.0\SharedCOM\RoxWatch9.exe (file missing)
O23 - Service: SecureStorageService - Wave Systems Corp. - C:\Program Files\Wave Systems Corp\Secure Storage Manager\SecureStorageService.exe
O23 - Service: stllssvr - MicroVision Development, Inc. - c:\Program Files\Common Files\SureThing Shared\stllssvr.exe
O23 - Service: NTRU TSS v1.2.1.29 TCS (tcsd_win32.exe) - Unknown owner - C:\Program Files\NTRU Cryptosystems\NTRU TCG Software Stack\bin\tcsd_win32.exe
O23 - Service: TdmService - Wave Systems Corp. - C:\Program Files\Wave Systems Corp\Trusted Drive Manager\TdmService.exe
O23 - Service: Intel(R) Management and Security Application User Notification Service (UNS) - Intel Corporation - C:\Program Files\Common Files\Intel\Privacy Icon\UNS\UNS.exe

--
End of file - 14322 bytes

Thanks for any help

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