When Granting or Deleting permissions on folder, the default behavior of Security Explorer is to process the child folders in each structure.
Skipping the child or sub-folders is sometimes possible, and will speed up processing of the folder structure.
How to skip sub-folders and files when processing “This Folder Only” permissions?
1 Select Tools | Options, and open the Advanced tab:

2 Set options for 'Modifying Permissions (NTFS):
