Good 
Please, uninstall Eusing Free Registry Cleaner, Error Fix and Registry Mechanic (if present).
Registry tools are not recommended and here is why: http://miekiemoes.blogspot.com/2008/...eaking_13.html
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1. Please open Notepad- Click Start , then Run
- Type notepad .exe in the Run Box.
2. Now copy/paste the entire content of the codebox below into the Notepad window:
Code:
Folder::
c:\program files\IObit
c:\documents and settings\Goody Two Shoes\Application Data\IObit
c:\documents and settings\Goody Two Shoes\Application Data\Registry Mechanic
c:\program files\Eusing Free Registry Cleaner
c:\documents and settings\Goody Two Shoes\Application Data\Uniblue
c:\documents and settings\Goody Two Shoes\Application Data\Error Fix
c:\program files\Error Fix
c:\documents and settings\LocalService\Local Settings\Application Data\ywbakvqxv
3. Save the above as CFScript.txt
4. Close/disable all anti virus and anti malware programs again, so they do not interfere with the running of ComboFix.
5. Then drag the CFScript.txt into ComboFix.exe as depicted in the animation below. This will start ComboFix again.

6. After reboot, (in case it asks to reboot), please post the following reports/logs into your next reply: