McAfee Help

When the McAfee Shredder tool is finished shredding the items you selected, you can view a summary that shows the total number of items shred. If an item cannot be shred, it is also listed.

1	Review the shred summary. If an item cannot be shred, another program might be using it or you might not have the appropriate permissions required to delete it. For more information, see Windows Help and Support.
2	Click Done to close the tool.