Fake windows security

Yes, I did when you ask . But I did reinstall it after the combofix. I thought it would okay since its an email program not an antivirus program.
Do you what me to remove it ?

Hello.

• Open HijackThis
  
• Choose "Do a system scan only"
  
• Check the boxes in front of these lines:
  
  
  O4 - HKLM\..\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
  O4 - HKLM\..\Run: [SigmatelSysTrayApp] stsystra.exe
  O4 - HKLM\..\Run: [CTSysVol] C:\Program Files\Creative\SBAudigy\Surround Mixer\CTSysVol.exe /r
  O4 - HKLM\..\Run: [MBMon] Rundll32 CTMBHA.DLL,MBMon
  O4 - HKLM\..\Run: [UpdReg] C:\WINDOWS\UpdReg.EXE
  O4 - HKLM\..\Run: [PCMService] "C:\Program Files\Dell\MediaDirect\PCMService.exe"
  O4 - HKLM\..\Run: [ISUSPM Startup] C:\PROGRA~1\COMMON~1\INSTAL~1\UPDATE~1\ISUSPM.exe -startup
  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: [Google Quick Search Box] "C:\Program Files\Google\Quick Search Box\GoogleQuickSearchBox.exe" /autorun
  O4 - HKLM\..\Run: [SmartDefrag] "C:\Program Files\IObit\IObit SmartDefrag\IObit SmartDefrag.exe" /StartUp
  O4 - HKLM\..\Run: [SunJavaUpdateSched] C:\Program Files\Java\jre6\bin\jusched.exe
  O4 - HKCU\..\Run: [MSMSGS] "C:\Program Files\Messenger\msmsgs.exe" /background
  O4 - HKCU\..\Run: [swg] "C:\Program Files\Google\GoogleToolbarNotifier\GoogleToolbarNotifier.exe"
  O4 - Global Startup: Digital Line Detect.lnk = ?
  
  
  
• Press "Fix Checked"
  
• Close Hijack This.
  

Reboot normally.
How is the machine now?

The machine appears to be running great now, no more redirects or lockups.
Maybe you can close this thread now.
Thanks for all the help ,a donation will be on the way.

Happy New Year