Welcome to Wise PC Cleaner
With the development of science and technology more and more softwares was designed to solve all kinds of troubles. Most of them, when you download the software you need to buy the using right of it. In fact, maybe these softwares are not suitable to your computer but you have brought it. If you delete it, there is no doubt that it is a waste for you. If not, these softwares are only occupying space of your computer. So, I recommend you using SmartPCFixer. It is a safe, free and useful software. You should have a try.