Crash whan Gajim lost connection
I used a tunnel broker to have an IPv6. When my tunnel broker have a problem, Gajim lost the connection, crash and display 1000 windows of error (after, Windows kill Gajim). Explorer is freeze and I muste restart it.
If you want recreate this bug, you could create an account here http://tunnel-broker.renater.fr/ or www.go6.net (free).