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I'm an x86-64 Ubuntu 14.04 user with gnome-shell interface.

I left click on the icon of a file or a folder of Nautilus and when I just attempt to drag it, Nautilus immediately closes. This does not happen if I run Nautilus as root.

Other similar problem: having a Terminal window (gnome-terminal) opened, if I left click on any button of upper menu (Files Edit Search Terminal Help...) it closes.

Other: I open gnome-tweak-tool and when I try to change the theme of Window, GTK+, Icons or any other, it closes. Also in this case this does not happen if I run it as root.

I could also verify similar extrange behaviours in other applications.

Any suggestion to solve these problems will be very much appreciated.

Roberto Roggerone

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Note that running the app as root is not really necessary for troubleshooting. The apps you mention are not meant to be run as root in the most common of cases. This looks like a bug, can you provide more information? For example, how did you install Ubuntu or GNOME Shell? Do you have any kind of out-of-the-ordinary hardware (mouse, maybe)? –  edwin Jul 13 '14 at 0:46
Hi. Thank you for your comments edwin. I agree with you regarding running apps as root. What I meant is that in the cases explained in my post, Nautilus and gnome-tweak-tool work fine if I run them as root and they crash if I run them as my user. –  robrogger Jul 14 '14 at 12:58
I updated to Ubuntu 14.04 from 12.04 precisely in April. The problems that I mentioned suddenly started more o less a month ago I suppose after some of the updates, I don't know exactly. I cannot be more precise. Regarding the hardware it is ordinary, nothing special. I also suspected of the mouse and I changed it but all remains the same. –  robrogger Jul 14 '14 at 13:06

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