Eusing Cleaner is a free full featured system optimization, privacy and drive cleaner tool.It allows you to find and remove the unused files in your system, invalid registry entries, delete your internet history, erase the cache, cookies, history, typed URLs, auto complete memory, index.dat from your browsers, and Window's temp folder, run history, search history, recycle bin, and recent documents, etc. It also includes an option to overwrite deleted data multiple times, so it cannot be easily recovered.Additionally it contains a fully featured registry cleaner. It will scans your Windows registry for invalid or obsolete information and provide a list of the errors found. Eusing Cleaner also includes registry defragmentation. It will enhance your system's performance by removing gaps, fragments and wasted space in Windows registry files. Eusing Software products are free of spyware and adware.