Multiple monitors and window sizes

I have two Monitors attached to my laptop… so I can see the models. Old age is a real pain.
When I open ZW3D it starts on one of the monitors with the program tucked away up in the left hand top of the monitor. See picture below.
I click on the maximise button of the top right corner and then get this next photo.
Then when I click again on the maximise button, it maximises and fills the monitor correctly.
Any ideas.
PS. The desktop is Fruit Bat Falls up in Cape York in Queensland.


Your desktop is really beautiful

You want to maximize every boot?