For me, in KDE 4.3.4, Kontact often, if not always, crashes on restart if
Akregator has been used during the previous session. This problem is being
followed on KDE Bugzilla if anyone is interested.

https://bugs.kde.org/show_bug.cgi?id=193514

--
Graham P Davis, Bracknell, Berks., UK. E-mail: newsman not newsboy
"I wear the cheese. It does not wear me."