All looks good from here; did you make the adjustment to your registry?
Ccleaner has a registry cleaner which may have found the entry and cleaned it.
If you'd like the speed that an optimised system can give you, try this:
Click start then run, type prefetch then press enter, click edit then select all, (all files will highlight), right click any file, click delete, confirm
Click start then all programmes, accessories, system tools to run disc clean up
Reboot
Click start then all programmes, accessories, system tools to run defragmenter
Download, install and run Tune Up 2006 Trial It is a 30-day free trial.
Run Tune Up disc clean up
Run Tune Up registry clean up
Disable your anti virus programme then click Optimize and Improve to run Reg Defrag, the screen will lose colour during the process which can take a few minutes and then needs a reboot
Check the anti virus programme is running after the reboot.
Those will have cleared the drive of obsolete software errors
These are suggestions for making the most of the free trial
Click optimize and improve then system optimizer to optimize the computer, select computer with an internet connection from the drop down menu, this also requires a reboot
After the reboot, click optimize then system optimizer to accelerate downloads, select the speed just above your actual connection speed, this requires a reboot.
After the reboot, click optimize then system optimizer to run system advisor