Does any one have a solution to the problem when Fox code is compiled on drive other than C, and then run on another machine where that drive is an empty CD Rom drive?

I'm working on a contract making additions to TeleMagic and this is only happening with core code. The code that has been written here is compiled on the C drive and cause no problems. We don't have access to the core code, and hence can't recompile it on the C Drive

Any Ideas? - I'm sure this one would have appeared a while back but I couldn't find anything about it on quick search - I probably didn't go back far enough :)

TIA