Hi,

>
I have an aplication that calls .app programs.
After using the main program and calling and exiting the "child" .app aplications
the systems becomes more slow and the memory starts to decrease.
All the code is 100% VFox.
>

Unless declared public your variables should automatically be released when they got out of scope. This sounds more as if your child apps are not being destroyed cleanly - probably due to dangling object references....

Regards,
Viv