Hi Victor...

suggestion 1.

a) Set you main form window type to modal.
b)Set always on to to true
c)set desktop to true
d) set Macdesktop to 2-Visual Foxpro Desktop

suggestion 2.

I have a class which is called oneinstance.vcx
Mail me at cs-group@iafrica.com and I will mail the class
to you...

Cheers
Fida