Click on it and select Run the troubleshooter. From Find and fix other problems list of troubleshooter, select Windows Store Apps.

Then from left panel select Troubleshoot. Press Windows Button + I on your keyboard to open the Settings App.

For these displays, select from Always, hide labels, When taskbar is full, and Never. 3 Run the App Troubleshooter to restore hidden taskbar icons. If you use multiple displays, you can make a different choice for your extra displays. Select Taskbar settings > Multiple Displays > Combine taskbar buttons on other taskbars. As more apps and windows open, buttons get smaller, and eventually the buttons will scroll. This setting shows each window as an individual, labeled button and never combines them, no matter how many windows are open. Select the button to see a list of the windows that are open. When the taskbar becomes crowded, apps with multiple open windows collapse into a single app button. This setting shows each window as an individual, labeled button. Each app appears as a single, unlabeled button, even when multiple windows for that app are open. While the app may open, the taskbar icons are not seen o the taskbar despite the fact there’s a dark reserved space for the icon. If you want to change how taskbar buttons group together, press and hold or right-click any empty space on the taskbar, select Taskbar settings > Combine taskbar buttons and then select from the list:Īlways, hide labels. Apparently, the pinned apps can sometimes go invisible mysteriously causing a lot of confusion.

By default, all open files from the same app are always grouped together, even if you didn’t open them in succession. You might want to choose how taskbar buttons are grouped, especially if you have multiple windows open. Whenever you want to change the order of app buttons on the taskbar, just drag a button from its current position to a different one.

Windows 10 invisible taskbar icons