Downloaded, installed and registered PDF Password Remover early this morning. All day long I have tried to remove PDF restriction from protected PDF files as advertised on more than 2 dozen PDF files. This program failed to do what its seller claim

Downloaded, installed and registered PDF Password Remover early this morning. All day long I have tried to remove PDF restriction from protected PDF files as advertised on more than 2 dozen PDF files. This program failed to do what its seller claimed it would do.