gksudo nautilus error - Ubuntu 14.04

Question

I installed gksudo on Ubuntu 14.04 LTS and when i run nautilus with gksudo

gksudo nautilus it asks for password, then gives error and then crashes

 (nautilus:19688): GLib-GObject-WARNING **: invalid cast from 'GtkMessageDialog' to 'NautilusWindow'
 **
 ERROR:nautilus-window.c:2116:nautilus_window_get_slots: assertion failed: (NAUTILUS_IS_WINDOW (window))

Though sudo nautilus seems to work fine

Thanks in Advance

Well, the problem has stopped occurring and gksudo nautilus works just fine. And I have absolutely no idea why this happened.

Any insight on what my original problem was and how it got solved is highly appreciated.

Again thanks in advance.

I thought recent versions of Ubuntu use pkexec instead of gksu. You should not use sudo nautilus anyway — ignis, Apr 29 '14 at 18:34
pkexec nautlius gives error error: XDG_RUNTIME_DIR not set in the environment.
(nautilus:4939): Gtk-WARNING **: cannot open display: — Back.Slash, May 04 '14 at 09:36

score 4 · Accepted Answer · edited Apr 13 '17 at 12:24

Mentioned problem is now fixed in the same nautilus package version 1:3.10.1-0ubuntu8. If you still face this problem in Ubuntu 14.04 then update your nautilus package version from 1:3.10.1-0ubuntu8 to 1:3.10.1-0ubuntu9.

1:3.10.1-0ubuntu9 version of nautilus package is available at trusty-proposed repository. Follow this answer to enable trusty-prosed repository. After that update all the repositories by running sudo apt-get update command and install nautilus 1:3.10.1-0ubuntu9 package by running sudo apt-get install nautilus command on terminal.

gksudo nautilus error - Ubuntu 14.04

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