After installing last version (1.8.6) as per your instruction (Ubuntu 14.04), PixInsight refuses to start, and replies:
/opt/PixInsight/bin/PixInsight: relocation error: /opt/PixInsight/bin/lib/libQt5DBus.so.5: symbol dbus_message_set_allow_interactive_authorization, version LIBDBUS_1_3 not defined in file libdbus-1.so.3 with link time reference
Any help? Thanks in advance,
Federico
PS: Merry Christmas and Happy new year!