Application that crashed: akregator
Version of the application: 1.4.50
KDE Version: 4.2.90 (KDE 4.2.90 (KDE 4.3 Beta2))
Qt Version: 4.5.0
Operating System: Linux 2.6.28-13-generic i686
Distribution: Ubuntu 9.04

What I was doing when the application crashed:
Akregator opens on starttup. I clicked on the window to close it and it crashed.

 -- Backtrace:
Application: Akregator (akregator), signal: Segmentation fault
[KCrash Handler]
#6  0xb2fa87ea in Akregator::Feed::unread () from /usr/lib/kde4/akregatorpart.so
#7  0xb2fb263b in Akregator::Folder::updateUnreadCount () from /usr/lib/kde4/akregatorpart.so
#8  0xb2fb26e2 in Akregator::Folder::slotChildChanged () from /usr/lib/kde4/akregatorpart.so
#9  0xb2fb2844 in Akregator::Folder::qt_metacall () from /usr/lib/kde4/akregatorpart.so
#10 0xb6105ca8 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0xb6106932 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0xb2fb06f3 in Akregator::TreeNode::signalChanged () from /usr/lib/kde4/akregatorpart.so
#13 0xb2fb0734 in Akregator::TreeNode::nodeModified () from /usr/lib/kde4/akregatorpart.so
#14 0xb2fb3119 in Akregator::Folder::removeChild () from /usr/lib/kde4/akregatorpart.so
#15 0xb2fb0f40 in Akregator::TreeNode::emitSignalDestroyed () from /usr/lib/kde4/akregatorpart.so
#16 0xb2fa98aa in Akregator::Feed::~Feed () from /usr/lib/kde4/akregatorpart.so
#17 0xb2fb1c46 in Akregator::Folder::FolderPrivate::~FolderPrivate () from /usr/lib/kde4/akregatorpart.so
#18 0xb2fb1d07 in Akregator::Folder::~Folder () from /usr/lib/kde4/akregatorpart.so
#19 0xb2fb1c46 in Akregator::Folder::FolderPrivate::~FolderPrivate () from /usr/lib/kde4/akregatorpart.so
#20 0xb2fb1d07 in Akregator::Folder::~Folder () from /usr/lib/kde4/akregatorpart.so
#21 0xb2fb6ac4 in Akregator::FeedList::setRootNode () from /usr/lib/kde4/akregatorpart.so
#22 0xb2fb916e in Akregator::FeedList::~FeedList () from /usr/lib/kde4/akregatorpart.so
#23 0xb2fff9d8 in ?? () from /usr/lib/kde4/akregatorpart.so
#24 0xb2fa1c28 in ?? () from /usr/lib/kde4/akregatorpart.so
#25 0xb60feb25 in qDeleteInEventHandler () from /usr/lib/libQtCore.so.4
#26 0xb61003cb in QObject::event () from /usr/lib/libQtCore.so.4
#27 0xb65cee9c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#28 0xb65d719e in QApplication::notify () from /usr/lib/libQtGui.so.4
#29 0xb71f4e8d in KApplication::notify () from /usr/lib/libkdeui.so.5
#30 0xb60efa3b in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#31 0xb60f0695 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#32 0xb60f088d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4
#33 0xb611b7ef in ?? () from /usr/lib/libQtCore.so.4
#34 0xb4e08b88 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#35 0xb4e0c0eb in ?? () from /usr/lib/libglib-2.0.so.0
#36 0xb4e0c268 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#37 0xb611b438 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#38 0xb6670365 in ?? () from /usr/lib/libQtGui.so.4
#39 0xb60ee06a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#40 0xb60ee4aa in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#41 0xb60f0959 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#42 0xb65ced17 in QApplication::exec () from /usr/lib/libQtGui.so.4
#43 0x0804f041 in _start ()

Reported using DrKonqi