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Running Ubuntu 17.10. Installed Synaptic Package Manager through Terminal, but it won't open -- just asks for my password and then immediately closes. Ultimately I'm trying to use it to install Zotero 5.0, so alternative routes to that are also welcome. Downloading through Zotero website leaves me with a desktop configuration file that's functional but buried in several layers of folders, and attempting to do it through a web-based curl yielded nothing at all.

Attempted running synaptic-pkexec and it produced an error message: "No Protocol specified. Tried synaptic and it returned "Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged. Segmentation fault (core dumped)"

Cruiser13
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  • Can you try launching synaptic-pkexec or synaptic (will start without elevated permissions -> read-only) from the terminal? Do any error messages appear then? – Byte Commander Feb 04 '18 at 20:33
  • Error messages: synaptic-pkexec says "No protocol Specified" and "Unable to init server: Could not connect: Connection refused" synaptic comes up with "Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged. Segmentation fault (core dumped" – Cruiser13 Feb 04 '18 at 20:44
  • This is weird. Maybe try sudo apt purge synaptic ; sudo apt install synaptic to reinstall it and then try again. If that doesn't help, the only advice I personally can give you is to file a bug report on Launchpad. Also please [edit] your question and include the output you just posted there, so that it doesn't get lost in the comments. – Byte Commander Feb 04 '18 at 20:59
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    What happens if you switch to an Xorg session from the default Wayland one? – pomsky Feb 04 '18 at 21:18

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Switching to an Xorg session allowed me to successfully run Synaptic. However, Synaptic didn't succeed in properly installing Zotero, so that remains a problem.

Cruiser13
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