How to exe file protect in cd ( how to make copy protected cd disk ?)

hi to all

i need help about make copy protection cd. i have some exe file and dll file.(programe software) . i want protecet my software in cd. i am using this tool-- tz exe protection+ win iso+ tz copy protection +nero… wheen i try first time these tool :clap:""" by mistake i was sucess in making copy protected cd… but :doh:second time i try use same method but till now i try 100 time use same method… result= fail.:doh:. can any budy guide me where is have i do mistake?

please if guide with- screen shoot, video, htm my english have week…

thx to all