Ok - great.
I upgraded to TB 3.0.4. (via TB's menu Help > Check for updates)
Hyperlinks work.
Lightning not.
So I reinstalled the lightning add-on from
https://addons.mozilla.org/en-US/thunderbird/addon/2313/
And now everything is back on track.
Thanks again for helping.
--
Thunderbird 3 hyperli
Guys,
Tried everything suggested here and there : install thunderbird-gnome-
support, setting preferred apps in Ubuntu's system preferences, adding
user_pref("network.protocol-handler.app.http", "/usr/bin/firefox");
user_pref("network.protocol-handler.app.https", "/usr/bin/firefox");
user_pref("n