hi ,
a few links that might help
http://www.whitecanyon.com/delete-file.php
http://www.real-knowledge.com/permdele.htm
http://www.softpedia.com/get/File-managers/Delete-Files-Permanently.shtml
http://novice2expert.com/p81/how-to-permanently-delete-files-on-windows-vista.html
http://www.online-tech-tips.com/free-software-downloads/permanently-delete-files/
http://www.real-knowledge.com/permanently-delete-vista-recycle-bin-files.htm
http://technet.microsoft.com/en-us/magazine/dd334519.aspx
http://www.webtlk.com/2008/07/17/wipeerasedelete-files-and-data-from-your-hard-disk-permanently/
http://tech.yahoo.com/blogs/null/50840
http://www.ehow.com/how_4444179_erase-files-hard-drive-permanently.html
enjoy
have a nice day
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