I've only seen it with exe's and apps run off a network. I would assume it would work ok in a nonn-runtime mode.

>Thanks, Tom...
>Scary problem! Do you think that could happen even if I run the application files outside of the app (DO main.prg instead of DO MyApp.app)?
>Mark
>
>>IF the tmpfiles setting in config.fpw on the machine that the project is built is on a drive that doesn't exist on the users machine, you will get this error.
>>
>>Make sure your pc where you build the app reference c: for tmpfiles
>>
>>
>>
>>>Cetin,
>>>Thanks for your reply! There is no config.fpw, and here's the trick with the project:
>>>When I run the application at the command line, with DO main.prg (as opposed to DOing the .app), I still get the error at various places.
>>>Once, when I removed a MODIFY WINDOW xxx FONT xxx command, the errors stopped, but then for no reason, they started again. Very confusing!
>>>Mark
>>>
>>>>Mark,
>>>>In config.fp(w) and project file (app.pjx) check for a reference to a nonexistant drive.
>>>>Cetin