Version:           1.9.6 (enterprise 0.20070907.709405) (using KDE 3.5.8, Kubuntu (gutsy) 4:3.5.8-0ubuntu3.1)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.22-14-generic

Screenshot:
http://img227.imageshack.us/my.php?image=sctshtkmail2xh0.png

Backtrace:
Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1250847040 (LWP 16517)]
[New Thread -1280390256 (LWP 16521)]
[New Thread -1271997552 (LWP 16520)]
[New Thread -1263604848 (LWP 16519)]
[New Thread -1255212144 (LWP 16518)]
[KCrash handler]
#6  0x00000000 in ?? ()
#7  0xb7dee854 in KMMainWidget::slotChangeCaption ()
   from /usr/lib/libkmailprivate.so
#8  0xb7e04f26 in KMMainWidget::qt_invoke () from /usr/lib/libkmailprivate.so
#9  0xb5fc6893 in QObject::activate_signal (this=0x82af608, clist=0x82fc830, 
    o=0xbff84898) at kernel/qobject.cpp:2356
#10 0xb636a7cd in QListView::currentChanged (this=0x82af608, t0=0x84ae960)
    at .moc/debug-shared-mt/moc_qlistview.cpp:328
#11 0xb60c0e9f in QListView::setCurrentItem (this=0x82af608, i=0x84ae960)
    at widgets/qlistview.cpp:5477
#12 0xb7c19046 in KMFolderTree::contentsDropEvent ()
   from /usr/lib/libkmailprivate.so
#13 0xb60fafa1 in QScrollView::viewportDropEvent (this=0x82af608, 
    e=0xbff84ed4) at widgets/qscrollview.cpp:1845
#14 0xb60fd760 in QScrollView::eventFilter (this=0x82af608, obj=0x82aff68, 
    e=0xbff84ed4) at widgets/qscrollview.cpp:1539
#15 0xb60c5806 in QListView::eventFilter (this=0x82af608, o=0x82aff68, 
    e=0xbff84ed4) at widgets/qlistview.cpp:3866
#16 0xb7c0ff99 in KMFolderTree::eventFilter ()
   from /usr/lib/libkmailprivate.so
#17 0xb5fc5e40 in QObject::activate_filters (this=0x82aff68, e=0xbff84ed4)
    at kernel/qobject.cpp:903
#18 0xb5fc5ebe in QObject::event (this=0x82aff68, e=0xbff84ed4)
    at kernel/qobject.cpp:735
#19 0xb5ffd5b3 in QWidget::event (this=0x82aff68, e=0xbff84ed4)
    at kernel/qwidget.cpp:4678
#20 0xb5f5daf0 in QApplication::internalNotify (this=0xbff86664, 
    receiver=0x82aff68, e=0xbff84ed4) at kernel/qapplication.cpp:2635
#21 0xb5f604ba in QApplication::notify (this=0xbff86664, receiver=0x82aff68, 
    e=0xbff84ed4) at kernel/qapplication.cpp:2523
#22 0xb6723ca2 in KApplication::notify (this=0xbff86664, receiver=0x82aff68, 
    event=0xbff84ed4)
    at /build/buildd/kdelibs-3.5.8/./kdecore/kapplication.cpp:550
#23 0xb5ef0209 in QApplication::sendEvent (receiver=0x82aff68, 
    event=0xbff84ed4) at ../include/qapplication.h:520
#24 0xb5efddc5 in qt_handle_xdnd_drop (xe=0xbff84f78, passive=false)
    at kernel/qdnd_x11.cpp:850
#25 0xb5efe058 in QDragManager::drop (this=0x83f4858)
    at kernel/qdnd_x11.cpp:1432
#26 0xb5f00fab in QDragManager::eventFilter (this=0x83f4858, o=0x83e74a8, 
    e=0xbff85390) at kernel/qdnd_x11.cpp:980
#27 0xb5f5d8de in QApplication::internalNotify (this=0xbff86664, 
    receiver=0x83e74a8, e=0xbff85390) at kernel/qapplication.cpp:2568
#28 0xb5f5fcae in QApplication::notify (this=0xbff86664, receiver=0x83e74a8, 
    e=0xbff85390) at kernel/qapplication.cpp:2421
#29 0xb6723ca2 in KApplication::notify (this=0xbff86664, receiver=0x83e74a8, 
    event=0xbff85390)
    at /build/buildd/kdelibs-3.5.8/./kdecore/kapplication.cpp:550
#30 0xb5ef027d in QApplication::sendSpontaneousEvent (receiver=0x83e74a8, 
    event=0xbff85390) at kernel/qapplication.h:523
#31 0xb5eeeee2 in QETWidget::translateMouseEvent (this=0x83e74a8, 
    event=0xbff857e8) at kernel/qapplication_x11.cpp:4304
#32 0xb5eecfcc in QApplication::x11ProcessEvent (this=0xbff86664, 
    event=0xbff857e8) at kernel/qapplication_x11.cpp:3481
#33 0xb5f041a4 in QEventLoop::processEvents (this=0x808cc80, flags=4)
    at kernel/qeventloop_x11.cpp:192
#34 0xb5f781ce in QEventLoop::enterLoop (this=0x808cc80)
    at kernel/qeventloop.cpp:198
#35 0xb5f5f617 in QApplication::enter_loop (this=0xbff86664)
    at kernel/qapplication.cpp:2793
#36 0xb5f00d31 in QDragManager::drag (this=0x83f4858, o=0x838a598, 
    mode=QDragObject::DragDefault) at kernel/qdnd_x11.cpp:1791
#37 0xb5f71924 in QDragObject::drag (this=0x838a598, 
    mode=QDragObject::DragDefault) at kernel/qdragobject.cpp:550
#38 0xb5f6eb76 in QDragObject::drag (this=0x838a598)
    at kernel/qdragobject.cpp:472
#39 0xb6915e34 in KListView::startDrag (this=0x82af608)
    at /build/buildd/kdelibs-3.5.8/./kdeui/klistview.cpp:1158
#40 0xb69e100b in KListView::contentsMouseMoveEvent (this=0x82af608, 
    e=0xbff85a6c) at /build/buildd/kdelibs-3.5.8/./kdeui/klistview.cpp:842
#41 0xb60fbdfb in QScrollView::viewportMouseMoveEvent (this=0x82af608, 
    e=0xbff86010) at widgets/qscrollview.cpp:1784
#42 0xb60fd5da in QScrollView::eventFilter (this=0x82af608, obj=0x82aff68, 
    e=0xbff86010) at widgets/qscrollview.cpp:1511
#43 0xb60c5806 in QListView::eventFilter (this=0x82af608, o=0x82aff68, 
    e=0xbff86010) at widgets/qlistview.cpp:3866
#44 0xb7c0ff99 in KMFolderTree::eventFilter ()
   from /usr/lib/libkmailprivate.so
#45 0xb5fc5e40 in QObject::activate_filters (this=0x82aff68, e=0xbff86010)
    at kernel/qobject.cpp:903
#46 0xb5fc5ebe in QObject::event (this=0x82aff68, e=0xbff86010)
    at kernel/qobject.cpp:735
#47 0xb5ffd5b3 in QWidget::event (this=0x82aff68, e=0xbff86010)
    at kernel/qwidget.cpp:4678
#48 0xb5f5daf0 in QApplication::internalNotify (this=0xbff86664, 
    receiver=0x82aff68, e=0xbff86010) at kernel/qapplication.cpp:2635
#49 0xb5f5fcae in QApplication::notify (this=0xbff86664, receiver=0x82aff68, 
    e=0xbff86010) at kernel/qapplication.cpp:2421
#50 0xb6723ca2 in KApplication::notify (this=0xbff86664, receiver=0x82aff68, 
    event=0xbff86010)
    at /build/buildd/kdelibs-3.5.8/./kdecore/kapplication.cpp:550
#51 0xb5ef027d in QApplication::sendSpontaneousEvent (receiver=0x82aff68, 
    event=0xbff86010) at kernel/qapplication.h:523
#52 0xb5eeeee2 in QETWidget::translateMouseEvent (this=0x82aff68, 
    event=0xbff86468) at kernel/qapplication_x11.cpp:4304
#53 0xb5eecfcc in QApplication::x11ProcessEvent (this=0xbff86664, 
    event=0xbff86468) at kernel/qapplication_x11.cpp:3481
#54 0xb5f041a4 in QEventLoop::processEvents (this=0x808cc80, flags=4)
    at kernel/qeventloop_x11.cpp:192
#55 0xb5f781ce in QEventLoop::enterLoop (this=0x808cc80)
    at kernel/qeventloop.cpp:198
#56 0xb5f77fde in QEventLoop::exec (this=0x808cc80)
    at kernel/qeventloop.cpp:145
#57 0xb5f5f699 in QApplication::exec (this=0xbff86664)
    at kernel/qapplication.cpp:2758
#58 0x0804a5fe in ?? ()
#59 0xbff86664 in ?? ()
#60 0xbff8665c in ?? ()
#61 0x00000000 in ?? ()