Windows Disk Cleaner Software erases complete disk permanently. Windows Disk Cleaner Software deletes data with various standard algorithms which are made for windows NTFS and FAT file systems. Deleted data can`t be recovered by any recovery tool.

Features: Windows Disk Cleaner Software is able to clean up disks of any traces of activities by a user on the system. The deletion/erasing is done such that they cannot be recovered by any data recovery software. The application works with NTFS and FAT file systems. The cleaner is able to clean all off-line and on-line activities. These include cookies, temporary internet files, history, typed URLS, auto complete forms, recent documents. Other items it cleans up are network folders, most frequently used programs, start menu links and icons, Favorite Web pages, Control Panel items, Internet Explorer buttons, windows event, built-in firewall logs.

Other items that get cleaned up are information such as user name, passwords etc saved in the Windows. Other private information such as keywords entered at search engines, clipboard contents, admin temp files, network folders, recycle bin, recent documents and the Windows event log, system registry logs and so on. The application is also able to remove items like activity traces left by MS applications such as MS management console, power point, access, word, excel, media player and Word pad. No technical skills are required on the part of the user.

Overall: Features are good but difficult to say, from casual evaluation, how effective the cleaning is. The test that can prove effectiveness is to clean a media and then use recovery techniques to find out is recovery was possible at all. Quite easy to use.