Whatever the case might be, there are high chances that you will be able to get rid of the unresponsive program. In others, you might be given an option to wait or ‘force quit’ the app.

In some distros, you will be prompted to send an error report when you try to close the unresponsive option. If you see the “x” button, that is used to close applications, in an active state, you can try to kill the application dead through it. If one of your UI based application is taking much longer than expected to respond or it is in a hanging state, you will see that it’s UI and buttons have become greyed out. Method 1: Using the X button for unresponsive UI based applications You can open the Terminal application either through the system Dash or the Ctrl+Alt+T shortcut. Some of the below-mentioned methods include the use of the Ubuntu command line, the Terminal. We have run the commands and procedures mentioned in this article on a Ubuntu 18.04 LTS system. In this article, we will explain various ways through which you can get rid of these unresponsive or hanging applications on your Ubuntu both through the UI and the command line. Restarting our system is not always the optimal solution and we find ourselves looking for ways through which we can quickly, easily, and safely get rid of the unresponsive applications and programs. While using Ubuntu, one or more of our processes and applications might hang out from time to time.

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