McAfee QUICKCLEAN 3.0 Manual page 46

How to Free Disk Space
46 McAfee QuickClean 3.0
McAfee Shredder allows you to shred files on your PC's Recycle Bin,
Temporary Internet, as well as Web site history folder. You can also specify the
number of shredding passes (1-99) and can now have the option to shred an
entire drive.
Refer to the online Help file to display step-by-step instructions on how to
shred selected files and non-file data.
NOTE
After you shred non-file data, you will not be able to undelete any
deleted files that utilized this information.