>Days ago I realized that some applications of mine still have old foxtool.fll from 2001
>
>What types of problem can such and old file cause ?
>
>I would like to hear some opinions about this issue
>
>Moises

Do you think there was a new version of this fll?

Just search your code for set library to foxtools.fll

Some of its function are not needed anymore - they are part of the language.