Just in case if you are wondering, why not jump straight to the removal of the icon, while the application is already fired up? The idea here was to show the original scenario of how the issue arises in the first place. Voila! Now, whenever you click the app shortcut icon in the taskbar, you will only see one icon instead of the double ones. Next, Right-click the remaining opened icon in taskbar and select “Pin to taskbar” option. Right-click on the taskbar icon on your left (which is NOT the opened app on right) and remove it by selecting “Unpin from taskbar” option You will see another duplicate app icon in the taskbar. In the next step, click the application shortcut icon in the taskbar to start it. Now, let’s simply create the application shortcut icon in the taskbar by clicking on the Start button, Right-clicking the desired app in the list and selecting “Pin to taskbar” from “More” options right next to it
To remove the double placement of the same icon, first remove the application icon shortcut by right-clicking on it and selecting “Unpin from taskbar” the application shortcut icon itself and the tab icon of the opened application as well. Sometimes, when we pin an application’s shortcut (icon) in the taskbar of Windows 10 Desktop and start that application, we see two (double) icons of the same app i.e.