I've had the same problem as many others concerning the inability to change the desktop problem. I followed M.Aydogan's instructions in thread 43579 and it solved my problem...I think.

Can you take a look at the HJT log and let me know if anything else seems out of order. Thanks
Tommy D

Logfile of HijackThis v1.99.1
Scan saved at 4:13:51 PM, on 10/27/2006
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:\WINDOWS\system32\brsvc01a.exe
C:\WINDOWS\system32\brss01a.exe
C:\WINDOWS\system32\spoolsv.exe
C:\PROGRA~1\COMMON~1\AOL\ACS\AOLacsd.exe
C:\Program Files\Common Files\AOL\1161479013\ee\services\safetyCore\ver2_5_4_1\aolavupd.exe
C:\WINDOWS\system32\Brmfrmps.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\PROGRA~1\mcafee.com\ANTIVI~1\mcshield.exe
C:\Program Files\mcafee.com\personal firewall\MPFService.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\ehome\ehtray.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\WINDOWS\system32\igfxpers.exe
C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
C:\Program Files\CyberLink\PowerDVD\DVDLauncher.exe
C:\Program Files\Real\RealPlayer\RealPlay.exe
C:\WINDOWS\system32\dla\tfswctrl.exe
C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe
C:\Program Files\ScanSoft\PaperPort\pptd40nt.exe
C:\PROGRA~1\MUSICM~1\MUSICM~3\MMDiag.exe
C:\Program Files\Brother\ControlCenter2\brctrcen.exe
C:\Program Files\Common Files\AOL\1161479013\ee\AOLSoftware.exe
C:\Program Files\Common Files\AOL\1161479013\ee\services\safetyCore\ver2_5_4_1\AOLSP Scheduler.exe
C:\Program Files\MUSICMATCH\Musicmatch Jukebox\mim.exe
C:\Program Files\mcafee.com\antivirus\oasclnt.exe
C:\Program Files\mcafee.com\antivirus\mcvsescn.exe
C:\Program Files\mcafee.com\personal firewall\MPfTray.exe
C:\Program Files\Corel\Corel Photo Album 6\MediaDetect.exe
C:\Program Files\Dell Support\DSAgnt.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\America Online 9.0\aoltray.exe
C:\Program Files\Common Files\AOL\1161479013\ee\SSCEvtHdlr.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\Program Files\Microsoft Office\Office\FINDFAST.EXE
C:\Program Files\Common Files\AOL\1161479013\ee\aolsoftware.exe
C:\Program Files\Microsoft Office\Office\OSA.EXE
C:\Program Files\Brother\Brmfcmon\BrMfcWnd.exe
C:\Program Files\Brother\Brmfcmon\BrMfcmon.exe
C:\Program Files\hjt\HijackThis.exe
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = http://www.dell.com
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 6.0\Reader\ActiveX\AcroIEHelper.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\system32\dla\tfswshx.dll
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - c:\program files\google\googletoolbar2.dll
O2 - BHO: GoogleAFE - {CA6319C0-31B7-401E-A518-A07C3DB8F777} - c:\Program Files\GoogleAFE\GoogleAE.dll
O3 - Toolbar: &Google - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - c:\program files\google\googletoolbar2.dll
O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM\..\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM\..\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM\..\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\j2re1.4.2_03\bin\jusched.exe
O4 - HKLM\..\Run: [DVDLauncher] "C:\Program Files\CyberLink\PowerDVD\DVDLauncher.exe"
O4 - HKLM\..\Run: [RealTray] C:\Program Files\Real\RealPlayer\RealPlay.exe SYSTEMBOOTHIDEPLAYER
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [dla] C:\WINDOWS\system32\dla\tfswctrl.exe
O4 - HKLM\..\Run: [ISUSPM Startup] "C:\Program Files\Common Files\InstallShield\UpdateService\isuspm.exe" -startup
O4 - HKLM\..\Run: [ISUSScheduler] "C:\Program Files\Common Files\InstallShield\UpdateService\issch.exe" -start
O4 - HKLM\..\Run: [MimBoot] C:\PROGRA~1\MUSICM~1\MUSICM~3\mimboot.exe
O4 - HKLM\..\Run: [Google Desktop Search] "C:\Program Files\Google\Google Desktop Search\GoogleDesktop.exe" /startup
O4 - HKLM\..\Run: [SSBkgdUpdate] "C:\Program Files\Common Files\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe" -Embedding -boot
O4 - HKLM\..\Run: [PaperPort PTD] C:\Program Files\ScanSoft\PaperPort\pptd40nt.exe
O4 - HKLM\..\Run: [IndexSearch] C:\Program Files\ScanSoft\PaperPort\IndexSearch.exe
O4 - HKLM\..\Run: [SetDefPrt] C:\Program Files\Brother\Brmfl04a\BrStDvPt.exe
O4 - HKLM\..\Run: [ControlCenter2.0] C:\Program Files\Brother\ControlCenter2\brctrcen.exe /autorun
O4 - HKLM\..\Run: [HostManager] C:\Program Files\Common Files\AOL\1161479013\ee\AOLSoftware.exe
O4 - HKLM\..\Run: [AOLSPScheduler] C:\Program Files\Common Files\AOL\1161479013\ee\services\safetyCore\ver2_5_4_1\AOLSP Scheduler.exe
O4 - HKLM\..\Run: [sscRun] C:\Program Files\Common Files\AOL\1161479013\ee\SSCRun.exe
O4 - HKLM\..\Run: [OASClnt] C:\Program Files\mcafee.com\antivirus\oasclnt.exe
O4 - HKLM\..\Run: [EmailScan] C:\Program Files\mcafee.com\antivirus\mcvsescn.exe
O4 - HKLM\..\Run: [MPFExe] C:\Program Files\mcafee.com\personal firewall\MPfTray.exe
O4 - HKLM\..\Run: [Corel Photo Downloader] C:\Program Files\Corel\Corel Photo Album 6\MediaDetect.exe
O4 - HKCU\..\Run: [DellSupport] "C:\Program Files\Dell Support\DSAgnt.exe" /startup
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - Global Startup: America Online 9.0 Tray Icon.lnk = C:\Program Files\America Online 9.0\aoltray.exe
O4 - Global Startup: Digital Line Detect.lnk = ?
O4 - Global Startup: Microsoft Find Fast.lnk = C:\Program Files\Microsoft Office\Office\FINDFAST.EXE
O4 - Global Startup: Office Startup.lnk = C:\Program Files\Microsoft Office\Office\OSA.EXE
O4 - Global Startup: Status Monitor.lnk = C:\Program Files\Brother\Brmfcmon\BrMfcWnd.exe
O8 - Extra context menu item: &Google Search - res://c:\program files\google\GoogleToolbar2.dll/cmsearch.html
O8 - Extra context menu item: &Translate English Word - res://c:\program files\google\GoogleToolbar2.dll/cmwordtrans.html
O8 - Extra context menu item: Backward Links - res://c:\program files\google\GoogleToolbar2.dll/cmbacklinks.html
O8 - Extra context menu item: Cached Snapshot of Page - res://c:\program files\google\GoogleToolbar2.dll/cmcache.html
O8 - Extra context menu item: Similar Pages - res://c:\program files\google\GoogleToolbar2.dll/cmsimilar.html
O8 - Extra context menu item: Translate Page into English - res://c:\program files\google\GoogleToolbar2.dll/cmtrans.html
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.dll
O9 - Extra 'Tools' menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\j2re1.4.2_03\bin\npjpi142_03.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
O20 - AppInit_DLLs: C:\PROGRA~1\Google\GOOGLE~1\GOEC62~1.DLL
O20 - Winlogon Notify: igfxcui - C:\WINDOWS\SYSTEM32\igfxdev.dll
O20 - Winlogon Notify: WgaLogon - C:\WINDOWS\SYSTEM32\WgaLogon.dll
O23 - Service: AOL Connectivity Service (AOL ACS) - America Online, Inc. - C:\PROGRA~1\COMMON~1\AOL\ACS\AOLacsd.exe
O23 - Service: AOL Antivirus Update Service (aolavupd) - AOL LLC - C:\Program Files\Common Files\AOL\1161479013\ee\services\safetyCore\ver2_5_4_1\aolavupd.exe
O23 - Service: Brother Popup Suspend service for Resource manager (brmfrmps) - Unknown owner - C:\WINDOWS\system32\Brmfrmps.exe" -service (file missing)
O23 - Service: BrSplService (Brother XP spl Service) - brother Industries Ltd - C:\WINDOWS\system32\brsvc01a.exe
O23 - Service: McAfee McShield (McShield) - McAfee Inc. - C:\PROGRA~1\mcafee.com\ANTIVI~1\mcshield.exe
O23 - Service: McAfee Personal Firewall Service (MpfService) - McAfee Corporation - C:\Program Files\mcafee.com\personal firewall\MPFService.exe
O23 - Service: Intel NCS NetService (NetSvc) - Intel(R) Corporation - C:\Program Files\Intel\PROSetWired\NCS\Sync\NetSvc.exe