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I have a .desktop file in /usr/share/applications/ for one of my applications.

The file contains Icon=/usr/share/theapplication/icon.png. If I open /usr/share/theapplication/, icon.png is in there and it is the correct icon. When I open the "Show Applications" menu, the application shows up with the icon. However, in the dock, the icon is always blank. It just looks like this...

Blank icon

What's going on here? How can I get Ubuntu to show the actual icon for the application when it's running, instead of just a blank space?

John Chrysostom
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1 Answers1

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This could be a permissions issue if all users don't have read access to the image.

From the folder containing the icon, you can run sudo chmod 744 icon.png to set permissions to rwxr--r--.

If the application was installed using snap, flatpak, or some other sandbox or pseudo-sandbox, then you should research how to create a custom icon for these applications, since they might not have access to /usr/share

Nmath
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