#1155
For those PDF files which are protected with password, i.e.: not permitted to edit, change, print, copy, add annotations, etc. At this time, we can turn to VeryPDF PDF Password Remover, with its help we can unlock these limitations easily by removing the password of PDF file.

#101
When you rename or delete a file/folder, Windows maybe popup a dialog error message box to show you that "Can't delete files: File is being used by another person or program" , now how to do?