Version:            (using KDE 4.2.0)
OS:                Other
Installed from:    Unspecified Other

Application: KMix (kmix), signal SIGABRT
0x00007f2268aa46b0 in nanosleep () from /lib/libc.so.6

Thread 1 (Thread 0x7f22691c16f0 (LWP 5792)):
[KCrash Handler]
#5  0x00007f2268a2f015 in raise () from /lib/libc.so.6
#6  0x00007f2268a30b83 in abort () from /lib/libc.so.6
#7  0x00007f22676fd6b5 in qt_message_output () from /usr/lib/libQtCore.so.4
#8  0x00007f22676fd7fd in qFatal () from /usr/lib/libQtCore.so.4
#9  0x00007f2267f57323 in ?? () from /usr/lib/libsolid.so.4
#10 0x00007f2267f57637 in ?? () from /usr/lib/libsolid.so.4
#11 0x00007f2267802134 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0x00007f2267f66cc2 in ?? () from /usr/lib/libsolid.so.4
#13 0x00007f2267f8992c in ?? () from /usr/lib/libsolid.so.4
#14 0x00007f226744dea3 in ?? () from /usr/lib/libQtDBus.so.4
#15 0x00007f2267454eef in ?? () from /usr/lib/libQtDBus.so.4
#16 0x00007f22677fcda5 in QObject::event () from /usr/lib/libQtCore.so.4
#17 0x00007f2266858c3d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#18 0x00007f22668609ba in QApplication::notify () from /usr/lib/libQtGui.so.4
#19 0x00007f226862313b in KApplication::notify () from /usr/lib/libkdeui.so.5
#20 0x00007f22677edd61 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#21 0x00007f22677ee9fa in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#22 0x00007f22678164d3 in ?? () from /usr/lib/libQtCore.so.4
#23 0x00007f2263eb4d3b in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#24 0x00007f2263eb850d in ?? () from /usr/lib/libglib-2.0.so.0
#25 0x00007f2263eb86cb in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#26 0x00007f226781615f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#27 0x00007f22668eaa6f in ?? () from /usr/lib/libQtGui.so.4
#28 0x00007f22677ec682 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#29 0x00007f22677ec80d in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#30 0x00007f22677eecbd in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#31 0x00007f2268d8a52a in kdemain () from /usr/lib/libkdeinit4_kmix.so
#32 0x00007f2268a1a466 in __libc_start_main () from /lib/libc.so.6
#33 0x0000000000400659 in _start ()

I was re-installing Kubuntu and when I attempted to run a update for graphics driver, it crashed with this error message.
A Fatal Error Occurred
The application KMix (kmix) crashed and caused the signal 6 (SIGABRT).
Please help us improve the software you use by filing a report at http://bugs.kde.org. Useful details include how to reproduce the error, documents that were loaded, etc.