If you're looking for a free registry cleaner there is none better than RegCure. Registry repair software programs can be downloaded for free and the best part is that you can use it on Windows XP, Vista, 7, or 8. When you use this application, it scans your PC and then repairs the various errors that are inside the system. It also removes the unused programs and the redundant files from your system, which makes it easier to run programs. The good thing about this application is that it can scan your PC in a matter of minutes, whereas some of the other tools take days. All you need to do is to run the application and click on the start button. You will be presented with a list of problems and the most common problem they will find is the one about missing application files.
Now that you have seen that, if you really want to fix it, you need to first uninstall the various applications you no longer need, then click the delete button in the application. There should be a list of error and you should delete them one by one. Keep in mind that you should never go beyond the delete button in the program. It is not good to delete more files than what was left in the program.
Just as mentioned above, the error should be a major concern if you feel that your PC is running slow. With this tool, you can easily repair the error and increase the speed of your computer. Just remember that you should never delete any more file than what was deleted by the program.