Since upgrading from 1.33 to 1.43 I have consistently had a problem with the Close button. I am running in Advanced mode on MOZ 1.7.12.
When I'm in the program it looks like this (notice the location of the CLOSE button):

I click on the CLOSE button and the program window does not close, instead it changes to look like this

This time when I click on the CLOSE button the window does close.
This happens every time I am in PasswordMaker.
-John