Application: muon (1.0.60)
KDE Platform Version: 4.5.80 (4.6 Beta1)
Qt Version: 4.7.1
Operating System: Linux 2.6.37-7-generic x86_64
Distribution: Ubuntu natty (development branch)

-- Information about the crash:
- What I was doing when the application crashed:

when i try to install new updates on my system, at the end of installation i have this error:
Error: subprocess installed post-installation script returned error exit status 1

The crash can be reproduced every time.

-- Backtrace:
Application: Muon Package Manager (muon), signal: Segmentation fault
[Current thread is 1 (Thread 0x7f85117f5760 (LWP 17921))]

Thread 2 (Thread 0x7f84fb7e0710 (LWP 17922)):
#0  0xffffffffff60017b in ?? ()
#1  0x00007f84fb7dfad0 in ?? ()
#2  0x00007fff653ff7b2 in ?? ()
Backtrace stopped: previous frame identical to this frame (corrupt stack?)

Thread 1 (Thread 0x7f85117f5760 (LWP 17921)):
[KCrash Handler]
#6  0x00007f850ac5d52e in pkgDepCache::UpdateVerState(pkgCache::PkgIterator) () from /usr/lib/libapt-pkg.so.4.10
#7  0x00007f850ac63f35 in pkgDepCache::Update(OpProgress*) () from /usr/lib/libapt-pkg.so.4.10
#8  0x00007f850ac64a51 in pkgDepCache::Init(OpProgress*) () from /usr/lib/libapt-pkg.so.4.10
#9  0x00007f85101b430f in QApt::Cache::open (this=<value optimized out>) at /build/buildd/qapt-1.0.80/src/cache.cpp:135
#10 0x00007f85101b0743 in QApt::Backend::reloadCache (this=<value optimized out>) at /build/buildd/qapt-1.0.80/src/backend.cpp:155
#11 0x000000000041bf14 in ManagerWidget::reload (this=0x2088ae0) at /build/buildd/muon-1.0.60/muon/ManagerWidget.cpp:69
#12 0x0000000000419620 in MainWindow::reload (this=0x2036e60) at /build/buildd/muon-1.0.60/muon/MainWindow.cpp:394
#13 0x0000000000422ad8 in MuonMainWindow::errorOccurred (this=0x2036e60, code=<value optimized out>, args=...) at /build/buildd/muon-1.0.60/libmuon/MuonMainWindow.cpp:213
#14 0x0000000000419849 in MainWindow::errorOccurred (this=0x2036e60, code=<value optimized out>, args=<value optimized out>) at /build/buildd/muon-1.0.60/muon/MainWindow.cpp:324
#15 0x000000000041b0f7 in MainWindow::qt_metacall (this=0x2036e60, _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fff653864b0) at /build/buildd/muon-1.0.60/obj-x86_64-linux-gnu/muon/MainWindow.moc:122
#16 0x00007f850e0ab098 in QMetaObject::activate (sender=0x2423ef0, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff653864b0) at kernel/qobject.cpp:3280
#17 0x00007f85101c5313 in QApt::Backend::errorOccurred (this=<value optimized out>, _t1=QApt::CommitError, _t2=<value optimized out>) at /build/buildd/qapt-1.0.80/obj-x86_64-linux-gnu/src/moc_backend.cxx:195
#18 0x00007f85101c58b1 in QApt::Backend::qt_metacall (this=0x2423ef0, _c=QMetaObject::InvokeMetaMethod, _id=32, _a=0x7fff653865d0) at /build/buildd/qapt-1.0.80/obj-x86_64-linux-gnu/src/moc_backend.cxx:180
#19 0x00007f850e0ab098 in QMetaObject::activate (sender=0x2082900, m=<value optimized out>, local_signal_index=<value optimized out>, argv=0x7fff653865d0) at kernel/qobject.cpp:3280
#20 0x00007f85101c5de6 in OrgKubuntuQaptworkerInterface::errorOccurred (this=<value optimized out>, _t1=5, _t2=<value optimized out>) at /build/buildd/qapt-1.0.80/obj-x86_64-linux-gnu/src/workerdbus.moc:173
#21 0x00007f85101c6312 in OrgKubuntuQaptworkerInterface::qt_metacall (this=0x2082900, _c=QMetaObject::InvokeMetaMethod, _id=3, _a=0x7fff65386a30) at /build/buildd/qapt-1.0.80/obj-x86_64-linux-gnu/src/workerdbus.moc:115
#22 0x00007f850e3ea05a in QDBusConnectionPrivate::deliverCall (this=0x24c9da0, object=0x2082900, msg=..., metaTypes=..., slotIdx=8) at qdbusintegrator.cpp:919
#23 0x00007f850e3f501f in QDBusCallDeliveryEvent::placeMetaCall (this=<value optimized out>, object=<value optimized out>) at qdbusintegrator_p.h:103
#24 0x00007f850e0a9f2a in QObject::event (this=0x2082900, e=<value optimized out>) at kernel/qobject.cpp:1219
#25 0x00007f850f22fb04 in QApplicationPrivate::notify_helper (this=0x1f76da0, receiver=0x2082900, e=0x321cb70) at kernel/qapplication.cpp:4445
#26 0x00007f850f23443a in QApplication::notify (this=<value optimized out>, receiver=0x2082900, e=0x321cb70) at kernel/qapplication.cpp:4324
#27 0x00007f8511005906 in KApplication::notify (this=0x7fff65387480, receiver=0x2082900, event=0x321cb70) at ../../kdeui/kernel/kapplication.cpp:311
#28 0x00007f850e095f7c in QCoreApplication::notifyInternal (this=0x7fff65387480, receiver=0x2082900, event=0x321cb70) at kernel/qcoreapplication.cpp:732
#29 0x00007f850e099715 in sendEvent (receiver=0x0, event_type=0, data=0x1f4aee0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:215
#30 QCoreApplicationPrivate::sendPostedEvents (receiver=0x0, event_type=0, data=0x1f4aee0) at kernel/qcoreapplication.cpp:1373
#31 0x00007f850e0c0d33 in sendPostedEvents (s=0x1f731a0) at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:220
#32 postEventSourceDispatch (s=0x1f731a0) at kernel/qeventdispatcher_glib.cpp:277
#33 0x00007f8509d00add in g_main_dispatch (context=0x1f730b0) at /build/buildd/glib2.0-2.27.4/glib/gmain.c:2436
#34 g_main_context_dispatch (context=0x1f730b0) at /build/buildd/glib2.0-2.27.4/glib/gmain.c:3009
#35 0x00007f8509d012c8 in g_main_context_iterate (context=0x1f730b0, block=<value optimized out>, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.27.4/glib/gmain.c:3087
#36 0x00007f8509d01559 in g_main_context_iteration (context=0x1f730b0, may_block=1) at /build/buildd/glib2.0-2.27.4/glib/gmain.c:3150
#37 0x00007f850e0c0ecf in QEventDispatcherGlib::processEvents (this=0x1f4a590, flags=<value optimized out>) at kernel/qeventdispatcher_glib.cpp:415
#38 0x00007f850f2d59ae in QGuiEventDispatcherGlib::processEvents (this=<value optimized out>, flags=<value optimized out>) at kernel/qguieventdispatcher_glib.cpp:204
#39 0x00007f850e095362 in QEventLoop::processEvents (this=<value optimized out>, flags=...) at kernel/qeventloop.cpp:149
#40 0x00007f850e09559c in QEventLoop::exec (this=0x7fff65387410, flags=...) at kernel/qeventloop.cpp:201
#41 0x00007f850e0999bb in QCoreApplication::exec () at kernel/qcoreapplication.cpp:1009
#42 0x0000000000418a74 in main (argc=1, argv=<value optimized out>) at /build/buildd/muon-1.0.60/muon/main.cpp:54

Reported using DrKonqi