Hi Ed,

But when I test the program, the .PRG is automaticaly compiled to
a .FXP, no? It is only when everything has been tested and works
fine that as the last operation I compile the whole project as
an .APP

>>Do you have a second procedure somewhere (maybe in a procedure file) that have the same name? If so, it could confuse the builder and crash at runtime.
>>
>
>More importantly, are these really .PRG files being accessed from the runtime? If so, the problem is the runtime can't process a .PRG - try compiling it to a .FXP, so that the compiler can use it.