More than a dozen major factors contribute to slow down your computer. If you have too many windows open and run too many programs at the same time your computer slows dramatically. If you are multi-tasking with two major applications, both run slower.
If you have a virus, your system slows to a crawl and corrupt malware available device memory, making it available for all kinds of insidious activities. Hacker programs usually bring your PC off. Daily use creates registry errors that hinder the operation of the CPU, dramatically slows. If you want to clean your system and disk space properly then you can browse the web.
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Hundreds of registry cleaners promise to keep your PC running at the speed of light, and a real handful. Most allow you to scan your computer free of charge; then, if you find hundreds of errors, they ask you to download the entire program and pay a fee. If your analysis reveals relatively few and mostly minor errors, you can easily decide the download has little value for you.
if you do not want to use the extra storage space on your hard drive, you must continue to look for a program cleaning online registry scanner fixer-own-that works directly from the Internet, requiring no download . Avoiding another download, you reduce the risk of adding infected files to an already compromised registry.