registry inport error (help please!!)

[MTOL65]

alright, i got the heroes of might and magic 3 complete no cd crack (thank u by the way whoever did that) and it comes with a registry file i have to import into the registry, well, i did what it said, edited the file to go with my computer specififications but when i try to import the file i get and error that says "cannot import C:\Windows\Desktop\Heroes~1.reg: the specified file is not a registry script. You can import only registry files" if anyone can help id appreciate it!