I have norton utilities 2003 whipe info but I couldn't figure out how to clean a fileless harddrive. It seems that most utilities of this type are set up for you to clear your harddrive of a specific file. In my case I had already deleted all files from my harddrive and wanted to fill the free space to erase the data. This utility allows you to just clear the free space on a harddrive. I thought it was cool. Eraser