CCleaner removes cookies, temporary files and various other unused data that clogs up your operating system. This frees up valuable hard disk space allowing your system to run faster. Removing this data also protects your anonymity meaning you can browse online more securely. The built in Registry Cleaner fixes errors and broken settings to make your computer more stable. The simple, intuitive UI and rapid but powerful cleaning make CCleaner a favourite among novices and techies alike. Professional, Network, Business and Technician Editions of CCleaner are also available for serious users.