The accessibility of a hyperlinked files is displayed. A hyperlink that references a resource is extracted from a target file. An attempt to acquire the resource is made by performing a first authentication operation. A first object is received in response to performing the authentication operation. A second object is acquired by performing a second authentication operation using pre-determined authentication information. The first object and the second object are compared to determine if the first object is the same as the second object. Information indicating the accessibility of the resource is presented via a display apparatus.