Application: muon-installer (1.4.1)
KDE Platform Version: 4.9.2
Qt Version: 4.8.3
Operating System: Linux 3.5.0-17-generic x86_64
Distribution: Ubuntu 12.10

-- Information about the crash:
I then install mkvtoolnix mkvtoolnix unlocked muon opened, then I proceeded to close Muon, then appeared the message that the application crashed.

The crash does not seem to be reproducible.

-- Backtrace:
Application: Centro de software de Muon (muon-installer), signal: Segmentation fault
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f2a97123780 (LWP 5019))]

Thread 4 (Thread 0x7f2a80238700 (LWP 5020)):
#0  QThreadData::current () at thread/qthread_unix.cpp:209
#1  0x00007f2a9521d4d9 in postEventSourcePrepare (s=0x7f2a780012d0, timeout=0x7f2a80237c14) at kernel/qeventdispatcher_glib.cpp:256
#2  0x00007f2a8e0a9618 in g_main_context_prepare () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a8e0a9cab in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2a8e0a9ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2a9521dc16 in QEventDispatcherGlib::processEvents (this=0x7f2a780008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f2a951ee2bf in QEventLoop::processEvents (this=this@entry=0x7f2a80237dd0, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f2a951ee548 in QEventLoop::exec (this=0x7f2a80237dd0, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f2a950efb10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f2a951ce9af in QInotifyFileSystemWatcherEngine::run (this=0x25413f0) at io/qfilesystemwatcher_inotify.cpp:248
#10 0x00007f2a950f2aec in QThreadPrivate::start (arg=0x25413f0) at thread/qthread_unix.cpp:338
#11 0x00007f2a8e768e9a in start_thread (arg=0x7f2a80238700) at pthread_create.c:308
#12 0x00007f2a93dfccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#13 0x0000000000000000 in ?? ()

Thread 3 (Thread 0x7f2a77fff700 (LWP 5037)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1  0x00007f2a90742cd7 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#2  0x00007f2a90742d09 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4
#3  0x00007f2a8e768e9a in start_thread (arg=0x7f2a77fff700) at pthread_create.c:308
#4  0x00007f2a93dfccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#5  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7f2a76bed700 (LWP 5039)):
#0  0x00007f2a93def8bd in read () at ../sysdeps/unix/syscall-template.S:82
#1  0x00007f2a8e0e5f6f in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007f2a8e0a9914 in g_main_context_check () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007f2a8e0a9d22 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007f2a8e0a9ea4 in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007f2a9521dc16 in QEventDispatcherGlib::processEvents (this=0x7f2a640008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:426
#6  0x00007f2a951ee2bf in QEventLoop::processEvents (this=this@entry=0x7f2a76bece00, flags=...) at kernel/qeventloop.cpp:149
#7  0x00007f2a951ee548 in QEventLoop::exec (this=0x7f2a76bece00, flags=...) at kernel/qeventloop.cpp:204
#8  0x00007f2a950efb10 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:501
#9  0x00007f2a950f2aec in QThreadPrivate::start (arg=0x7f2a6c003240) at thread/qthread_unix.cpp:338
#10 0x00007f2a8e768e9a in start_thread (arg=0x7f2a76bed700) at pthread_create.c:308
#11 0x00007f2a93dfccbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
#12 0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7f2a97123780 (LWP 5019)):
[KCrash Handler]
#6  deref (this=0x0) at ../../include/QtCore/../../src/corelib/arch/qatomic_x86_64.h:133
#7  ~QString (this=0x38c6520, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qstring.h:880
#8  QObjectPrivate::~QObjectPrivate (this=0x38c64f0, __in_chrg=<optimized out>) at kernel/qobject.cpp:162
#9  0x00007f2a950dbf15 in ~QAbstractAnimationPrivate (this=0x38c64f0, __in_chrg=<optimized out>) at ../../include/QtCore/private/../../../src/corelib/animation/qabstractanimation_p.h:91
#10 ~QVariantAnimationPrivate (this=0x38c64f0, __in_chrg=<optimized out>) at ../../include/QtCore/private/../../../src/corelib/animation/qvariantanimation_p.h:67
#11 ~QPropertyAnimationPrivate (this=0x38c64f0, __in_chrg=<optimized out>) at animation/qpropertyanimation_p.h:64
#12 QPropertyAnimationPrivate::~QPropertyAnimationPrivate (this=0x38c64f0, __in_chrg=<optimized out>) at animation/qpropertyanimation_p.h:64
#13 0x00007f2a95205ffc in cleanup (pointer=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:62
#14 ~QScopedPointer (this=0x36dab48, __in_chrg=<optimized out>) at ../../include/QtCore/../../src/corelib/tools/qscopedpointer.h:100
#15 QObject::~QObject (this=0x36dab40, __in_chrg=<optimized out>) at kernel/qobject.cpp:817
#16 0x00007f2a85e3df07 in ~Animation (this=0x36dab40, __in_chrg=<optimized out>) at ../../../libs/oxygen/oxygenanimation.h:55
#17 Oxygen::Animation::~Animation (this=0x36dab40, __in_chrg=<optimized out>) at ../../../libs/oxygen/oxygenanimation.h:55
#18 0x00007f2a95202182 in QObjectPrivate::deleteChildren (this=this@entry=0x36daab0) at kernel/qobject.cpp:1908
#19 0x00007f2a95205fc6 in QObject::~QObject (this=0x377de30, __in_chrg=<optimized out>) at kernel/qobject.cpp:927
#20 0x00007f2a8607a66e in ~AnimationData (this=0x377de30, __in_chrg=<optimized out>) at ../../../kstyles/oxygen/animations/oxygenanimationdata.h:59
#21 ~GenericData (this=0x377de30, __in_chrg=<optimized out>) at ../../../kstyles/oxygen/animations/oxygengenericdata.h:55
#22 ~WidgetStateData (this=0x377de30, __in_chrg=<optimized out>) at ../../../kstyles/oxygen/animations/oxygenwidgetstatedata.h:51
#23 ~EnableData (this=0x377de30, __in_chrg=<optimized out>) at ../../../kstyles/oxygen/animations/oxygenenabledata.h:50
#24 Oxygen::EnableData::~EnableData (this=0x377de30, __in_chrg=<optimized out>) at ../../../kstyles/oxygen/animations/oxygenenabledata.h:50
#25 0x00007f2a95204468 in QObject::event (this=0x377de30, e=<optimized out>) at kernel/qobject.cpp:1176
#26 0x00007f2a94596e9c in QApplicationPrivate::notify_helper (this=this@entry=0x2370c10, receiver=receiver@entry=0x377de30, e=e@entry=0x39f6f80) at kernel/qapplication.cpp:4562
#27 0x00007f2a9459b30a in QApplication::notify (this=0x7fff1d02e5e0, receiver=0x377de30, e=0x39f6f80) at kernel/qapplication.cpp:4423
#28 0x00007f2a95c2d1d6 in KApplication::notify (this=0x7fff1d02e5e0, receiver=0x377de30, event=0x39f6f80) at ../../kdeui/kernel/kapplication.cpp:311
#29 0x00007f2a951ef56e in QCoreApplication::notifyInternal (this=0x7fff1d02e5e0, receiver=receiver@entry=0x377de30, event=event@entry=0x39f6f80) at kernel/qcoreapplication.cpp:915
#30 0x00007f2a951f33f1 in sendEvent (event=0x39f6f80, receiver=0x377de30) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:231
#31 QCoreApplicationPrivate::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52, data=0x233d7a0) at kernel/qcoreapplication.cpp:1539
#32 0x00007f2a951f3673 in QCoreApplication::sendPostedEvents (receiver=receiver@entry=0x0, event_type=event_type@entry=52) at kernel/qcoreapplication.cpp:1432
#33 0x00007f2a951f373f in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1194
#34 0x000000000041ad8a in main (argc=5, argv=0x7fff1d02e718) at /build/buildd/muon-1.4.1/installer/main.cpp:61

Reported using DrKonqi