From KC softwares Site
Zer0 is a user friendly file deletion tool with a high level of security. With Zer0, you'll be able to delete files and to prevent file recovery by a 3rd person. So far, no user reported an efficient method to recover a file deleted by Zer0.
Zer0 features ...
User friendly HMI : Drag'n'drop, 1 click and the job is done !
High security file deletion algorithm
Multithreaded application core : Maximum efficiency without freezing the application.
Have lite version without any sponsors..
i use it .. its great.. u will love it.
One who use these type of software should be careful because ,if u delete its gone forever