Problems with minimizing and closing windows in Ubuntu 15.04
Solution 1:
I tried a lot of solutions, none of them worked for me. This is my personal solution that solved mine, hope this helps.
sudo apt-get install unity-tweak-toolLaunch the tool and in the
Unitysection clickSwitcherthen uncheckSwitch between minimized windowscheckbox.
Note: No need to disable any OpenGL or Animation option either form compiz or unity.