Programs disaper when minamized
 

For somestrange reason, whenever iminamize a program in my user account the program just goes away. it doesn't exit because if promted be something it reapears.
What have i changed and how can i unchange it.

Which window/desktop manager are you using?

I am using Gnome. It happens with any window

I'm not in gnome but right click on the panel and add window list or something like that.