How to delete the stubborn folder hidden under Win7

Some users have used the windows7 optimization master to scan, found that the d disk has a strange directory: found.000, the property is hidden, the hook in the hidden property box is gray, so It is not possible to change its properties, nor can it delete this "stubborn" folder.
This situation can be tried with xuetr software, it can delete such a folder that is "stubborn". Of course, you can use other tools, as long as you have the function of folder shredding. The delete method of xuetr is to open the tool, click “file”, find d:found.000 in the left window, right click on the folder, and select “Delete Delete” in the pop-up menu.