1)   R-Wipe & Clean 7.9
A complete solution to wipe useless files and keep your computer privacy. Irretrievably deletes private records of your on- and off-line activities. Includes Popup Blocker and supports most of the Internet browsers. A free 15-day trial version.

 2)   All Data Security 6.239
EASEUS Data Security Wizard is an easy to use data security program, which is able to encrypt your personal files and sensitive data securely. In addition to encryption, Data Security Wizard still is a shredders that will help you securely wipe data.