Application: muon (1.2.1 "Caustic Carrionite")
KDE Platform Version: 4.7.3 (4.7.3)
Qt Version: 4.7.4
Operating System: Linux 3.0.0-14-generic x86_64
Distribution: Ubuntu 11.10

-- Information about the crash:
Muon crashes whenever I try to start it. Haven't been able to start it even one time until now.
Removing and re-installing it completely didn't help either

The crash can be reproduced every time.

-- Backtrace:
Application: Muon-Paketverwaltung (muon), signal: Aborted
[KCrash Handler]
#6  0x00007f69aac143a5 in __GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#7  0x00007f69aac17b0b in __GI_abort () at abort.c:92
#8  0x00007f69abfdf43b in qt_message_output (msgType=<optimized out>, buf=0x26bb0c8 "ASSERT: \"interface->childCount() == children.count()\" in file adaptor.cpp, line 200") at global/qglobal.cpp:2315
#9  0x00007f69abfdf7ef in qt_message(QtMsgType, const char *, typedef __va_list_tag __va_list_tag *) (msgType=QtFatalMsg, msg=0x7f69ac12ea58 "ASSERT: \"%s\" in file %s, line %d", ap=0x7fff410495a8) at global/qglobal.cpp:2361
#10 0x00007f69abfdf994 in qFatal (msg=<optimized out>) at global/qglobal.cpp:2544
#11 0x00007f69959a3e5c in QSpiAdaptor::GetChildren() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#12 0x00007f69959a45bf in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#13 0x00007f69959994d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#14 0x00007f6995998bd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#15 0x00007f6995999aaf in QSpiAccessibleBridge::objectToAccessible(QObject*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#16 0x00007f69959b41fe in QSpiAccessible::getParentReference() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#17 0x00007f69959a44e4 in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#18 0x00007f69959994d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#19 0x00007f6995998bd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#20 0x00007f6995999aaf in QSpiAccessibleBridge::objectToAccessible(QObject*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#21 0x00007f69959b41fe in QSpiAccessible::getParentReference() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#22 0x00007f69959a44e4 in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#23 0x00007f69959994d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#24 0x00007f6995998bd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#25 0x00007f6995999aaf in QSpiAccessibleBridge::objectToAccessible(QObject*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#26 0x00007f69959b41fe in QSpiAccessible::getParentReference() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#27 0x00007f69959a44e4 in QSpiAdaptor::getCacheItem() const () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#28 0x00007f69959994d1 in QSpiAccessibleBridge::notifyAboutCreation(QSpiAdaptor*) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#29 0x00007f6995998bd8 in QSpiAccessibleBridge::interfaceToAccessible(QAccessibleInterface*, int, bool) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#30 0x00007f699599a086 in QSpiAccessibleBridge::notifyAccessibilityUpdate(int, QAccessibleInterface*, int) () from /usr/lib/qt4/plugins/accessiblebridge/libqspiaccessiblebridge.so
#31 0x00007f69ab986299 in QAccessible::updateAccessibility (o=<optimized out>, who=0, reason=QAccessible::ObjectHide) at accessible/qaccessible_unix.cpp:107
#32 0x00007f69ab4cc4a1 in QWidgetPrivate::hideChildren (this=<optimized out>, spontaneous=false) at kernel/qwidget.cpp:7836
#33 0x00007f69ab4cc5fe in QWidgetPrivate::hide_helper (this=0x2603670) at kernel/qwidget.cpp:7562
#34 0x00007f69ab4d4cb8 in QWidget::setVisible (this=0x2603620, visible=<optimized out>) at kernel/qwidget.cpp:7734
#35 0x00007f69ab8fa31f in QAbstractScrollAreaPrivate::layoutChildren (this=0x2602390) at widgets/qabstractscrollarea.cpp:473
#36 0x00007f69ab8fb84b in QAbstractScrollArea::qt_metacall (this=0x2602360, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x2607990) at .moc/release-shared/moc_qabstractscrollarea.cpp:86
#37 0x00007f69abaf7425 in QScrollArea::qt_metacall (this=0x2602360, _c=QMetaObject::InvokeMetaMethod, _id=<optimized out>, _a=0x2607990) at .moc/release-shared/moc_qscrollarea.cpp:69
#38 0x00007f69ac0e6a5e in QObject::event (this=0x2602360, e=<optimized out>) at kernel/qobject.cpp:1217
#39 0x00007f69ab4d06eb in QWidget::event (this=0x2602360, event=0x2607880) at kernel/qwidget.cpp:8754
#40 0x00007f69ab8794f6 in QFrame::event (this=0x2602360, e=0x2607880) at widgets/qframe.cpp:557
#41 0x00007f69ab8fb23b in QAbstractScrollArea::event (this=0x2602360, e=0x2607880) at widgets/qabstractscrollarea.cpp:996
#42 0x00007f69ab480424 in notify_helper (e=0x2607880, receiver=0x2602360, this=0x211b620) at kernel/qapplication.cpp:4486
#43 QApplicationPrivate::notify_helper (this=0x211b620, receiver=0x2602360, e=0x2607880) at kernel/qapplication.cpp:4458
#44 0x00007f69ab485291 in QApplication::notify (this=0x7fff4104ba80, receiver=0x2602360, e=0x2607880) at kernel/qapplication.cpp:4365
#45 0x00007f69acb05126 in KApplication::notify (this=0x7fff4104ba80, receiver=0x2602360, event=0x2607880) at ../../kdeui/kernel/kapplication.cpp:311
#46 0x00007f69ac0cfafc in QCoreApplication::notifyInternal (this=0x7fff4104ba80, receiver=0x2602360, event=0x2607880) at kernel/qcoreapplication.cpp:787
#47 0x00007f69ac0d351f in sendEvent (event=0x2607880, receiver=0x2602360) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#48 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x20ee0a0) at kernel/qcoreapplication.cpp:1428
#49 0x00007f69ac0faa73 in sendPostedEvents () at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#50 postEventSourceDispatch (s=<optimized out>) at kernel/qeventdispatcher_glib.cpp:277
#51 0x00007f69a6639a5d in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#52 0x00007f69a663a258 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#53 0x00007f69a663a429 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#54 0x00007f69ac0faed6 in QEventDispatcherGlib::processEvents (this=0x20efbb0, flags=<optimized out>) at kernel/qeventdispatcher_glib.cpp:422
#55 0x00007f69ab52807e in QGuiEventDispatcherGlib::processEvents (this=<optimized out>, flags=<optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#56 0x00007f69ac0cecf2 in QEventLoop::processEvents (this=<optimized out>, flags=...) at kernel/qeventloop.cpp:149
#57 0x00007f69ac0ceef7 in QEventLoop::exec (this=0x7fff4104ba10, flags=...) at kernel/qeventloop.cpp:201
#58 0x00007f69ac0d3789 in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1064
#59 0x000000000040af4b in main (argc=1, argv=0x7fff4104bcc8) at /build/buildd/muon-1.2.1/muon/main.cpp:56

Reported using DrKonqi