Version:            (using KDE 4.1.2)
OS:                Linux
Installed from:    Mandriva RPMs

I had Mozilla 3 open, and when I clicked on the "Menu" button nothing happened. I clicked again and then KDE seemed to restart. I received a crash report which is below:

Application: Plasma Workspace (plasma), signal SIGSEGV
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb52bfa90 (LWP 8175)]
[New Thread 0xb24b3b90 (LWP 8177)]
[New Thread 0xb36bcb90 (LWP 8176)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[KCrash handler]
#6  0xb378a4b9 in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#7  0xb378a521 in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#8  0xb3787c2c in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#9  0xb37898ce in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#10 0xb37b9b7f in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#11 0xb37be165 in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#12 0xb37bae4f in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#13 0xb37bc0a0 in ?? () from /usr/lib/kde4/plasma_applet_mandrivalauncher.so
#14 0xb75c8c8d in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0xb75c9a95 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0xb7d2f9ad in Plasma::Icon::pressed () from /usr/lib/libplasma.so.2
#17 0xb7d31ff7 in Plasma::Icon::mousePressEvent ()
   from /usr/lib/libplasma.so.2
#18 0xb706ea5d in QGraphicsItem::sceneEvent () from /usr/lib/libQtGui.so.4
#19 0xb70b4257 in QGraphicsWidget::sceneEvent () from /usr/lib/libQtGui.so.4
#20 0xb708d9f4 in ?? () from /usr/lib/libQtGui.so.4
#21 0xb708ec10 in ?? () from /usr/lib/libQtGui.so.4
#22 0xb709859b in ?? () from /usr/lib/libQtGui.so.4
#23 0xb7097303 in QGraphicsScene::event () from /usr/lib/libQtGui.so.4
#24 0xb6ac3fac in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#25 0xb6acc205 in QApplication::notify () from /usr/lib/libQtGui.so.4
#26 0xb7a7a771 in KApplication::notify () from /usr/lib/libkdeui.so.5
#27 0xb75b3853 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#28 0xb70a49d0 in QGraphicsView::mousePressEvent ()
   from /usr/lib/libQtGui.so.4
#29 0xb6b1e9b4 in QWidget::event () from /usr/lib/libQtGui.so.4
#30 0xb6e719a5 in QFrame::event () from /usr/lib/libQtGui.so.4
#31 0xb6f0bfe0 in QAbstractScrollArea::viewportEvent ()
   from /usr/lib/libQtGui.so.4
#32 0xb70a7108 in QGraphicsView::viewportEvent () from /usr/lib/libQtGui.so.4
#33 0xb6f0e5c6 in ?? () from /usr/lib/libQtGui.so.4
#34 0xb75b29ce in QCoreApplicationPrivate::sendThroughObjectEventFilters ()
   from /usr/lib/libQtCore.so.4
#35 0xb6ac3f7f in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#36 0xb6accbef in QApplication::notify () from /usr/lib/libQtGui.so.4
#37 0xb7a7a771 in KApplication::notify () from /usr/lib/libkdeui.so.5
#38 0xb75b3853 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#39 0xb6acbe11 in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#40 0xb6b38d1d in ?? () from /usr/lib/libQtGui.so.4
#41 0xb6b38180 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#42 0xb6b61204 in ?? () from /usr/lib/libQtGui.so.4
#43 0xb57fb7ca in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#44 0xb57feee8 in ?? () from /usr/lib/libglib-2.0.so.0
#45 0xb57ff0a8 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#46 0xb75df34a in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#47 0xb6b6095a in ?? () from /usr/lib/libQtGui.so.4
#48 0xb75b1ec3 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#49 0xb75b2081 in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#50 0xb75b47f2 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#51 0xb6ac3e14 in QApplication::exec () from /usr/lib/libQtGui.so.4
#52 0xb7f4c1b3 in kdemain () from /usr/lib/libkdeinit4_plasma.so
#53 0x0804854f in _start ()