In a computer system, what does the message "the permissions on this file were updated and you no longer have rights to view this file. if you previously made changes to this file, they may not be saved" typically indicate?
A) The file has been deleted from the system.
B) The file has been corrupted and cannot be accessed.
C) The file's access control list (ACL) has been modified, removing your access rights.
D) The file is currently being edited by another user, preventing access.