>When client launches the program, within few seconds the ntvdm.exe shows
>over 200MB memory in use. After few minutes the system reports low in
>resources. when user quits the application, it goes back to its old memory usage
>i.e., around 40MB.
>
>It happens only with foxpro applications.

Try adjusting the parameters of the associated PIF file; you can limit the resources allotted to a VDM on an application by application basis.