Application that crashed: nspluginviewer
Version of the application: 
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-20-generic i686
Distribution: Ubuntu 9.10

What I was doing when the application crashed:
http://moscow.megafon.ru
FlashPlayer was crashed.
Why? I don't known, really

 -- Backtrace:
Application: nspluginviewer (nspluginviewer), signal: Segmentation fault
[Current thread is 1 (Thread 0xb7771700 (LWP 2216))]

Thread 3 (Thread 0xb3f17b70 (LWP 2761)):
#0  0x00320422 in __kernel_vsyscall ()
#1  0x00882e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0609287d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x01ac379f in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#4  0x01bf67ff in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#5  0x01ac3c5d in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#6  0x0087e80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x060858de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 2 (Thread 0xb5133b70 (LWP 2762)):
#0  0x00320422 in __kernel_vsyscall ()
#1  0x00882e15 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0609287d in pthread_cond_wait () from /lib/tls/i686/cmov/libc.so.6
#3  0x01ac379f in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#4  0x01bf67ff in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#5  0x01ac3c5d in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#6  0x0087e80e in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#7  0x060858de in clone () from /lib/tls/i686/cmov/libc.so.6

Thread 1 (Thread 0xb7771700 (LWP 2216)):
[KCrash Handler]
#6  0x00270056 in g_slice_alloc () from /lib/libglib-2.0.so.0
#7  0x00270715 in g_slice_alloc0 () from /lib/libglib-2.0.so.0
#8  0x0568f8f7 in g_type_create_instance () from /usr/lib/libgobject-2.0.so.0
#9  0x05674748 in ?? () from /usr/lib/libgobject-2.0.so.0
#10 0x05675b62 in g_object_newv () from /usr/lib/libgobject-2.0.so.0
#11 0x0567658a in g_object_new_valist () from /usr/lib/libgobject-2.0.so.0
#12 0x0567670e in g_object_new () from /usr/lib/libgobject-2.0.so.0
#13 0x013ec71c in gtk_plug_new_for_display () from /usr/lib/libgtk-x11-2.0.so.0
#14 0x013ec766 in gtk_plug_new () from /usr/lib/libgtk-x11-2.0.so.0
#15 0x01ab69bd in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#16 0x01aac571 in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#17 0x01ab0da4 in ?? () from /usr/lib/firefox/plugins/flashplugin-alternative.so
#18 0x08050358 in ?? ()
#19 0x0805e4b3 in ?? ()
#20 0x0805d805 in ?? ()
#21 0x08056a1f in ?? ()
#22 0x0805eb9c in ?? ()
#23 0x0059f7b4 in ?? () from /usr/lib/libQtDBus.so.4
#24 0x005a095d in ?? () from /usr/lib/libQtDBus.so.4
#25 0x005a1234 in ?? () from /usr/lib/libQtDBus.so.4
#26 0x005a14da in ?? () from /usr/lib/libQtDBus.so.4
#27 0x010ca5fe in QObject::event(QEvent*) () from /usr/lib/libQtCore.so.4
#28 0x06a14f54 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#29 0x06a1c67c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQtGui.so.4
#30 0x00dbbbfa in KApplication::notify(QObject*, QEvent*) () from /usr/lib/libkdeui.so.5
#31 0x010ba6cb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQtCore.so.4
#32 0x010bb2b2 in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQtCore.so.4
#33 0x010bb47d in QCoreApplication::sendPostedEvents(QObject*, int) () from /usr/lib/libQtCore.so.4
#34 0x010e53ff in ?? () from /usr/lib/libQtCore.so.4
#35 0x00251e88 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#36 0x00255730 in ?? () from /lib/libglib-2.0.so.0
#37 0x00255863 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#38 0x010e502c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#39 0x06ab5be5 in ?? () from /usr/lib/libQtGui.so.4
#40 0x010b8c79 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#41 0x010b90ca in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQtCore.so.4
#42 0x010bb53f in QCoreApplication::exec() () from /usr/lib/libQtCore.so.4
#43 0x06a14dd7 in QApplication::exec() () from /usr/lib/libQtGui.so.4
#44 0x0805c7c0 in ?? ()
#45 0x05fcfb56 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#46 0x0804e591 in _start ()

Reported using DrKonqi