I did meet today 2 errors:
a/ the download site is not accessible
b/ trying to use printer, following message in the console:
** (palemoon:25367): WARNING **: Couldn't connect to D-Bus system bus, Could not connect: No such file or directory
^NFailed to open connection to bus: Failed to connect to socket /var/run/dbus/system_bus_socket: No such file or directory