Pete:
I tried accessing g:\softrak\oewin\mcsamdata with my ADSPROF set as above. I did not get any finder errors (I'm assuming that is what you meant by the 'code buttons'). Typically I do not find problems like this with the sample data.
I have done extensive work with multi-currency and have experienced this error when pointed invalid MC* files. I believe that this error means that it is not finding the Home currency code (or rate tables).
You did not indicate which OE service pack you have installed. Try re-installing the OE 20060825 service pack and when prompted replace the sample data.