I have a hard drive partition does not delete files inside

I have a hard drive partition does not delete the documents inside, suggesting that the document had not been used.In the area of the property inside the security projects, all of the authority to amend all white, I can not be modified.I would like to ask how to deal with, On the assumption that format do not want to! 3Q

re-installed security system, you add an account, as you have full control of the right-click the Recycle Bin — Select “Properties” to “recycle bin of the largest space” to be able to 0% in the Task Manager, you delete the program is in use.
It became the only machines to the fastest Open the speed of the disc, you want to delete the selected files or folders, quickly deleted.