There are occasions when you turn on your computer and it feels as if it has aged many years even though it feels like yesterday that you bought your computer. You don’t know exactly why your computer has gradually slowed down to the point where launching a word processing software seems to take forever. The cause is most probably your registry which as become clogged with all sorts of invalid entries. This is why you should use registry cleaners. There are certain advantages of using registry cleaners one of the biggest one being that it increases the performance of your computer. Before you select your registry cleaner software, it would be a good idea to learn what other users say about it, either through user reviews of registry cleaners, or reports.