Afraid to delete items on my own - everytime I do, it is a disaster

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\WLTRYSVC.EXE
C:\WINDOWS\System32\bcmwltry.exe
C:\WINDOWS\system32\spoolsv.exe
C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
C:\Program Files\Bonjour\mDNSResponder.exe
C:\Program Files\Citrix\GoToMyPC\g2svc.exe
C:\WINDOWS\Explorer.EXE
C:\Program Files\Citrix\GoToMyPC\g2comm.exe
C:\Program Files\Java\jre6\bin\jqs.exe
C:\Program Files\Norton Security Suite\Engine\4.3.0.5\ccSvcHst.exe
C:\Program Files\Citrix\GoToMyPC\g2pre.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Citrix\GoToMyPC\g2tray.exe
C:\Program Files\Nitro PDF\Professional\NitroPDFDriverService.exe
C:\WINDOWS\system32\NLSSRV32.EXE
C:\Program Files\Novatel Wireless\Novacore\Server\NvtlSrvr.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Synaptics\SynTP\SynTPEnh.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\OEM02Mon.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\Program Files\Dell\QuickSet\quickset.exe
C:\Program Files\Norton Security Suite\Engine\4.3.0.5\ccSvcHst.exe
C:\WINDOWS\system32\WLTRAY.exe
C:\Program Files\SigmaTel\C-Major Audio\WDM\stsystra.exe
C:\WINDOWS\system32\KADxMain.exe
C:\Program Files\Dell\MediaDirect\PCMService.exe
C:\Program Files\Common Files\Java\Java Update\jusched.exe
C:\Program Files\iTunes\iTunesHelper.exe
C:\Program Files\Sprint\Sprint SmartView\SprintSV.exe
C:\Program Files\Sprint\Sprint SmartView\RDVCHG.exe
C:\WINDOWS\system32\rundll32.exe
C:\Program Files\Canon\MyPrinter\BJMyPrt.exe
C:\Program Files\Messenger\msmsgs.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe
C:\Documents and Settings\All Users\Application Data\Norton\NUA.exe
C:\Program Files\Digital Line Detect\DLG.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Program Files\Sprint\Sprint SmartView\RcAppSvc.exe
C:\Program Files\iPod\bin\iPodService.exe
C:\WINDOWS\System32\svchost.exe
C:\Program Files\Sprint\Sprint SmartView\bmctl.exe
C:\Program Files\Internet Explorer\iexplore.exe
C:\Program Files\Trend Micro\HijackThis\HijackThis.exe

R1 - HKCU\Software\Microsoft\Internet Explorer\Main,Search Page = http://go.microsoft.com/fwlink/?LinkId=54896
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 =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
R1 - HKCU\Software\Microsoft\Internet Connection Wizard,ShellNext = http://www.dell.com/
R1 - HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings,ProxyOverride = *.local
O2 - BHO: AcroIEHelperStub - {18DF081C-E8AD-4283-A596-FA578C2EBDC3} - C:\Program Files\Common Files\Adobe\Acrobat\ActiveX\AcroIEHelperShim.dll
O2 - BHO: Canon Easy-WebPrint EX BHO - {3785D0AD-BFFF-47F6-BF5B-A587C162FED9} - C:\Program Files\Canon\Easy-WebPrint EX\ewpexbho.dll
O2 - BHO: Symantec NCO BHO - {602ADB0E-4AFF-4217-8AA1-95DAC4DFA408} - C:\Program Files\Norton Security Suite\Engine\4.3.0.5\coIEPlg.dll
O2 - BHO: Symantec Intrusion Prevention - {6D53EC84-6AAE-4787-AEEE-F4628F01010C} - C:\Program Files\Norton Security Suite\Engine\4.3.0.5\IPSBHO.DLL
O2 - BHO: Google Toolbar Helper - {AA58ED58-01DD-4d91-8333-CF10577473F7} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O2 - BHO: Google Toolbar Notifier BHO - {AF69DE43-7D58-4638-B6FA-CE66B5AD205D} - C:\Program Files\Google\GoogleToolbarNotifier\5.7.6406.1642\swg.dll
O2 - BHO: Ask Toolbar BHO - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files\Ask.com\GenericAskToolbar.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: JQSIEStartDetectorImpl - {E7E6F031-17CE-4C07-BC86-EABFE594F69C} - C:\Program Files\Java\jre6\lib\deploy\jqs\ie\jqs_plugin.dll
O3 - Toolbar: Norton Toolbar - {7FEBEFE3-6B19-4349-98D2-FFB09D4B49CA} - C:\Program Files\Norton Security Suite\Engine\4.3.0.5\coIEPlg.dll
O3 - Toolbar: Ask Toolbar - {D4027C7F-154A-4066-A1AD-4243D8127440} - C:\Program Files\Ask.com\GenericAskToolbar.dll
O3 - Toolbar: Canon Easy-WebPrint EX - {759D9886-0C6F-4498-BAB6-4A5F47C6C72F} - C:\Program Files\Canon\Easy-WebPrint EX\ewpexhlp.dll
O3 - Toolbar: Google Toolbar - {2318C2B1-4965-11d4-9B18-009027A5CD4F} - C:\Program Files\Google\Google Toolbar\GoogleToolbar_32.dll
O4 - HKLM\..\Run: [SynTPEnh] C:\Program Files\Synaptics\SynTP\SynTPEnh.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: [OEM02Mon.exe] C:\WINDOWS\OEM02Mon.exe
O4 - HKLM\..\Run: [Dell QuickSet] C:\Program Files\Dell\QuickSet\quickset.exe
O4 - HKLM\..\Run: [Broadcom Wireless Manager UI] C:\WINDOWS\system32\WLTRAY.exe
O4 - HKLM\..\Run: [SigmatelSysTrayApp] %ProgramFiles%\SigmaTel\C-Major Audio\WDM\stsystra.exe
O4 - HKLM\..\Run: [KADxMain] C:\WINDOWS\system32\KADxMain.exe
O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Dell\MediaDirect\PCMService.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: [SunJavaUpdateSched] "C:\Program Files\Common Files\Java\Java Update\jusched.exe"
O4 - HKLM\..\Run: [QuickTime Task] "C:\Program Files\QuickTime\qttask.exe" -atboottime
O4 - HKLM\..\Run: [iTunesHelper] "C:\Program Files\iTunes\iTunesHelper.exe"
O4 - HKLM\..\Run: [Sprint SmartView] "C:\Program Files\Sprint\Sprint SmartView\SprintSV.exe" -a
O4 - HKLM\..\Run: [RDVCHG] "C:\Program Files\Sprint\Sprint SmartView\RDVCHG.exe"
O4 - HKLM\..\Run: [CANON DR5010C SVC] rundll32.exe DR5KSVC.dll,EntryPointUserMessage
O4 - HKLM\..\Run: [CanonMyPrinter] C:\Program Files\Canon\MyPrinter\BJMyPrt.exe /logon
O4 - HKLM\..\Run: [CanonSolutionMenu] C:\Program Files\Canon\SolutionMenu\CNSLMAIN.exe /logon
O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
O4 - HKCU\..\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
O4 - HKCU\..\Run: [NortonUpdateAgent] C:\Documents and Settings\All Users\Application Data\Norton\NUA.exe
O4 - Global Startup: Digital Line Detect.lnk = C:\Program Files\Digital Line Detect\DLG.exe
O8 - Extra context menu item: Google Sidewiki... - res://C:\Program Files\Google\Google Toolbar\Component\GoogleToolbarDynamic_mui_en_43C348BC2E93EB2B.dll/cmsidewiki.html
O9 - Extra button: Send To eDoc - {78162A52-6823-4C38-BD97-676D28566169} - C:\Program Files\BSI\eDocXL Lite\TriggerIE.exe
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\Office12\REFIEBAR.DLL
O9 - Extra button: (no name) - {B82C5879-1AAF-4CFF-8062-8F2EF22FED4C} - C:\Program Files\BSI\eDocXL Lite\TriggerIE.exe
O9 - Extra 'Tools' menuitem: Send To eDoc (F12) - {B82C5879-1AAF-4CFF-8062-8F2EF22FED4C} - C:\Program Files\BSI\eDocXL Lite\TriggerIE.exe
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
O9 - Extra button: PDFill PDF Editor - {FB858B22-55E2-413f-87F5-30ADC5552151} - C:\Program Files\PlotSoft\PDFill\DownloadPDF.exe
O16 - DPF: {917623D1-D8E5-11D2-BE8B-00104B06BDE3} (CamImage Class) - http://webcams.mtu.edu/webcam15/AxisCamControl.ocx
O16 - DPF: {D27CDB6E-AE6D-11CF-96B8-444553540000} (Shockwave Flash Object) - https://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab
O16 - DPF: {E2883E8F-472F-4FB0-9522-AC9BF37916A7} - http://platformdl.adobe.com/NOS/getPlusPlus/1.6/gp.cab
O23 - Service: Apple Mobile Device - Apple Inc. - C:\Program Files\Common Files\Apple\Mobile Device Support\AppleMobileDeviceService.exe
O23 - Service: Bonjour Service - Apple Inc. - C:\Program Files\Bonjour\mDNSResponder.exe
O23 - Service: GoToMyPC - Citrix Online, a division of Citrix Systems, Inc. - C:\Program Files\Citrix\GoToMyPC\g2svc.exe
O23 - Service: Google Update Service (gupdate) (gupdate) - Google Inc. - C:\Program Files\Google\Update\GoogleUpdate.exe
O23 - Service: Google Update Service (gupdatem) (gupdatem) - 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: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: Java Quick Starter (JavaQuickStarterService) - Sun Microsystems, Inc. - C:\Program Files\Java\jre6\bin\jqs.exe
O23 - Service: Norton Security Suite (N360) - Symantec Corporation - C:\Program Files\Norton Security Suite\Engine\4.3.0.5\ccSvcHst.exe
O23 - Service: NitroPDFDriverCreatorReadSpool (NitroDriverReadSpool) - Nitro PDF Software - C:\Program Files\Nitro PDF\Professional\NitroPDFDriverService.exe
O23 - Service: NLS Service (nlsX86cc) - Nalpeiron Ltd. - C:\WINDOWS\system32\NLSSRV32.EXE
O23 - Service: NovaCore SDK Service (NvtlService) - Unknown owner - C:\Program Files\Novatel Wireless\Novacore\Server\NvtlSrvr.exe
O23 - Service: Sprint RcAppSvc (SprintRcAppSvc) - SmithMicro Inc. - C:\Program Files\Sprint\Sprint SmartView\RcAppSvc.exe
O23 - Service: Dell Wireless WLAN Tray Service (wltrysvc) - Unknown owner - C:\WINDOWS\System32\WLTRYSVC.EXE