I am using Ubuntu 12.04 and I have noticed that sometimes application doesn't start even after clicking the icon, what might be the problem. For example when I try to open GParted through the unity even after providing the correct password it doesn't show up but when I try to open through the terminal sudo gparted it opens up nicely after providing the password.

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    I have the exact same issue. It's complaining that GTK2 and GTK3 are installed at the same time. (gpartedbin:3620): Gtk-ERROR **: GTK+ 2.x symbols detected. Using GTK+ 2.x and GTK+ 3 in the same process is not supported This looks like a software bug on Gparted's part as it should use the library it needs, not complain about libraries it doesn't need. Dec 27, 2012 at 20:17

1 Answer 1


You can edit the desktop entry /usr/share/applications/gparted.desktop and substitute the entry gparted-pkexec with gksudo gparted. That should allow you to call the program from the Unity dash without problems.

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