The game "Age Of Empires 2 - The Age Of Kings" is protected with Safedisc1, so you can use UnSafedisc V1.55 to create your own crack.
Download Unsafedisc V1.55 from
http://gamefix.t35.com/
The you need the files DPLAYERX.DLL, GAME.EXE & GAME.ICD from your game. Then run Unsafedisc V1.55 to create a TESTME.EXE. Rename this TESTME.EXE to the original name of the EXE.
Thats all!