CCleaner is a tool for improving system efficiency by cleaning up files, fixing registry errors, and managing system startup. CCleaner cleans a variety of files, including cache, temp files, browser history, duplicate files, and system restore points. CCleaner provides a registry cleaner, program uninstaller, and free space eraser. Ideal for users aiming to boost system performance by cleaning up unnecessary files and fixing issues. CCleaner had a past security incident but current versions are secure with regular updates.
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