>No everything is on C:
>And it works when compiled into EXE. Problem occurs only inside VFP9 IDE on this new machine (and different domain) .
>That is what is confusing.
>
>Problem is easily solved by applying fullpath (changed total of 3 lines in 2 classes) but I am still puzzled why it happened in the first place.
>Or I should be puzzled how come never gave me any problem before ;-))

The latter. How is it possible that you never encountered it before :). And, worse, the nagging feeling that a similar thing may be hidden somewhere else in the code.