Hello. Could someone help me to fix my pop-up frame, please. There is a "Help" menu with an "About" menu item. When a user click 'About', pop-up frame should be displayed. When I click 'About', 2 pop-up frames are displayed. one is empty with correct frame size the other one is only bar. the follwoign is my code.
There is actionPerformed method as follow
What am I doig wrong? I would very appriciate your help. Thank you