To use Ccleaner: Click :Run Cleaner which is at the bottom right hand corner. After you do this 2 or 3 times, you should see (0) removed. Next one down is the registry. You should see a button that displays “Scan for Issues” it will ask about making a backup. After it has shown you what it has found, click fix selected issues. You will probably have to do this a couple of times, but doing this will take less time.
Here is a good product to keep things in your computer running smoothly. It has a great Registry cleaner included and here you can safely remove unwanted programs which is under the Tools tab.
Below is a link