I don't see anything malicious.
Uninstall
Combofix:
Go
Start > Run [Vista users, go Start>"Start search"]
Type in:
Combofix /Uninstall
Note the space between the "Combofix" and the "/Uninstall"
Click OK (Vista users - press Enter).
Restart computer.
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I strongly suggest, you uninstall Registry Mechanic. Registry tools are not recommended. Here is why:
http://miekiemoes.blogspot.com/2008/02/registry-cleaners-and-system-tweaking_13.html
It may be actually a cause of your issues.
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Download
Temp File Cleaner (TFC)
Double click on
TFC.exe to run the program.
Click on
Start button to begin cleaning process.
TFC will close all running programs, and it
may ask you to restart computer.
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Please run a
BitDefender Online Scan
- Disable your antivirus program.
- Click Start Scanner button.
- Click Start scan button
- Allow browser plug-in to be installed when prompted.
- Click I Agree to agree to the EULA.
- Please refrain from using the computer until the scan is finished.
- When the scan is finished, click on View log.
- Notepad will open with scan results.
- Save the report to your desktop and post its content in your next reply.
Post fresh HijackThis log as well.