Help needed urgently !!!

I am at a loss with References, How do you make them....

I have written quite a lot of code in Excel VBA, my problem is that when I move the spreadsheet to another computer I get lots of problems with the references.

I look in the references box and some of them are missing.

My solution:

Copy the files across from my computer to theirs... WRONG !!

Could anybody provide a link or help so that I can understand what it is that is going wrong and which files are required....(i.e. the dll, ocx etc.etc..)

Another issue is that when I copy a (for example dll) across and browse for it in the reference box, when I add it in the open dialog box, another reference is added... Not the one I wanted. WHY IS THIS ??

Please help

Steve