>>>>I have been skimming through code for about an hour, trying to find what is causing this error.
>>>>
>>>>source is out of date.
>>>>
>>>>would someone please point me in the right direction?
>>>
>>>Try deleting the .fxp
>>thanks, that fixed it.
>
>It's stupid, isn't it? It's been a fox problem ever since there were PRG files. I've not yet heard a good explanation as to why it happens.

I recall SET PATH as being one of the problems/solutions

http://support.microsoft.com/kb/101302