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Before you start to read this article, I’d like to ask you a question: do you know that every Windows PC has a registry database? Don’t be surprised if you say no. As a matter of fact, many Windows users don’t realise the existence of the registry database. From the Wikipedia, we know that the Windows Registry is a hierarchical database that stores configuration settings and options on Microsoft Windows operating systems. It contains settings for low-level operating system components as well as the applications running on the platform. The kernel, device drivers, services, SAM, user interface and third party applications all make use of the registry. The registry also provides a means to access counters for profiling system performance. From the definition, we can confirm the importance of the Windows registry. So here is the question: if the database gets clogged with some useless data files, what will happen to the system? Well, mostly your computer will become slower. Some worse situations are unknown system errors. This is really the bad thing for you as it will bring damages to your computer, and sometimes it will crash your system, like blue screen. If you are a thinker, I think you may now wonder how your system gets clogged. It’s simple. When you download some programs or some files online, the Windows registry gets filled with redundant data, like Active X controls and other related things. These data are saved within the registry. When you delete your downloaded files or uninstall those programs, the registry still has these data. They are still remained in the registry dataset. These useless data takes up space and they can slow down the system. If the registry database keeps growing with these useless data, it will become larger and larger, and finally it may crash your system. The benefits of having a registry cleaner are various. It can speed up your computer by cleaning those bad files in the registry database. Some registry cleaners have a lot of advanced features, like fixing system errors. Cleaning your registry database regularly is really useful, as this can maintain the whole performance of your computer. You are not recommended to clean the database manually unless you know how it works, otherwise you may damage your system and you need to spend some dollars to repair it. The best option is to find a free registry cleaner online and download it to scan and clean your PC. If you use a Windows 7, you can check the best registry cleaner for Windows 7 here. If you use other operating system, you can find a best registry cleaner here as well. You can download it free to scan your computer.
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