It helps optimize system performance by cleaning junk files, fixing registry issues, and managing startup items. Removes unnecessary files like cache, temporary files, browser history, restore points, and duplicate files. CCleaner features a registry cleaner, uninstaller for apps, and a 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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