I have the same issue. Shows the welcome screen only. Launching from a terminal shows
"(python2.7:2300): Gtk-CRITICAL **: IA__gtk_widget_style_get: assertion 'GTK_IS_WIDGET (widget)' failed" repeately. Followed by "Segmentation fault (core dumped)" -- You received this bug notification because you are a member of Edubuntu Bugsquad, which is subscribed to calibre in Ubuntu. https://bugs.launchpad.net/bugs/1538278 Title: calibre crashed with SIGSEGV in _int_malloc() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calibre/+bug/1538278/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~edubuntu-bugs Post to : [email protected] Unsubscribe : https://launchpad.net/~edubuntu-bugs More help : https://help.launchpad.net/ListHelp

