How to launch my program after installation finished?

[Fring]

i use wise for windows installer 5.

When installation completed and user click finish button,

I want to launch my program.

I add a action that launching my program to the event of finish button, but result is display a error dialog.

it is wrong and what is right method ?

thank you!

 

[techkate]

What is the error message? (Description and number.)