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CCleaner is a system optimization tool that removes junk files, fixes registry issues, and manages startup items. Cleans cache, temp files, browser history, restore points, duplicates, and more. Includes registry cleaner, uninstaller, and free space eraser. Ideal for users looking to optimize system performance. Had a past malware incident, but current versions are considered secure if kept updated.
- Activation patcher supporting silent installation
- Patch removes usage limits and subscription checks
- Product key validator tool for offline verification
- Patch installer that enables permanent activation for all versions
- Portable license patcher – no system modifications