Pease Please help me with Red Alert2 Setup crack

Can somebody please help me with the Red Alert 2 crack. When I Unzip the crack file to the game directory and execute the msdos bat file, I am told that a duplicate file exists. Eh????
I've tried to burn the CD after this, but SETUP still asks for the original CD (ergo the crack didn't work). I know that the game EXE works, but I want to make a fully working CD which I can use to install the game with as well (my cd drive scratches disks easily). Has anyone had any luck with the INSTALL CRACK?
I am begging for help please.
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