>>And sometimes my App generates an error when custom method contains
>>command DO Form ... ("File ...scx does not exist"). Exe file works well
>>and even if after the error I reload VFP, the error is gone and reveal
>>again after I rebuild app next time.
>>Surely, this error is not critical but it's interesting to know: did
>>anybody get it and how to treat this situation?
>
>I get this error a lot when I forget to get into the correct directory -- does one of your classes have a CD or a SET DEFAULT TO? Or, does it need one to get into the directory where your class lives?

My class does not contain CD or SET DEFAULT. I have no problem with invoking the class (my form contains the object based on this class, so I think I don't have to point to class folder). The error appears when App call another form from Class Method.