ok, I'm not entirely sure what you're trying to open where there, so I'll start at the beginning! Amiga Forever 6 is for making a PC pretend to be an Amiga (called emulating).
If you've bought AF6 you need to do some reading of it's instructions as some parts work in Windows and others on an Amiga (either real or emulated), and you will need to know which is which.
As for your A3000, if that was the dumpster find, first thing to do is check what it's fitted with, and what (if any) harddisks have on them.
Maybe this needs to be in a new topic, if what I've written didn't make much sense then give some more details (like where you're going to get this archive, what it's called etc) and I'm sure we'll get some progress (the experts here know way more than me ;-)).
