Version:           1.9.3 (using KDE 3.5.2, compiled sources)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.16.11

just using the app , I think I closed the window (so it goes back to tray)

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread -1521084736 (LWP 4506)]
[New Thread -1548792912 (LWP 4717)]
[New Thread -1540404304 (LWP 4716)]
[New Thread -1532015696 (LWP 4715)]
[New Thread -1523627088 (LWP 4714)]
[KCrash handler]
#5  0x6f666563 in ?? ()
#6  0xa7df7038 in KMail::ImapJob::slotGetNextMessage (this=0x90de4a8)
    at /home/gj/kde-sources/kdepim/kmail/imapjob.cpp:279
#7  0xa7df84d1 in KMail::ImapJob::init (this=0x90de4a8, 
    jt=KMail::FolderJob::tGetMessage, sets=@0x86bccc8, folder=0x0, 
    msgList=@0x90de4d0) at /home/gj/kde-sources/kdepim/kmail/imapjob.cpp:216
#8  0xa7df85a9 in KMail::ImapJob::execute (this=0x90de4a8)
    at /home/gj/kde-sources/kdepim/kmail/imapjob.cpp:647
#9  0xa7dedf3b in KMail::FolderJob::start (this=0xa6e2c8b8)
    at /home/gj/kde-sources/kdepim/kmail/folderjob.cpp:109
#10 0xa7dcedc6 in KMMainWidget::slotMsgSelected (this=0x8430200, 
    msg=0x8e1a300) at /home/gj/kde-sources/kdepim/kmail/kmmainwidget.cpp:1898
#11 0xa7ddd301 in KMMainWidget::qt_invoke (this=0x8430200, _id=55, 
    _o=0xaf84f454) at kmmainwidget.moc:479
#12 0xa723454b in QObject::activate_signal ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#13 0xa7c39f98 in KMHeaders::selected (this=0x8443288, t0=0x86bccc8)
    at kmheaders.moc:250
#14 0xa7c3a1db in KMHeaders::highlightMessage (this=0x8443288, lvi=0x8682d80, 
    markitread=false) at /home/gj/kde-sources/kdepim/kmail/kmheaders.cpp:2013
#15 0xa7c3a4da in KMHeaders::highlightMessage (this=0x86bccc8, i=0x86bccc8)
    at /home/gj/kde-sources/kdepim/kmail/kmheaders.cpp:2262
#16 0xa7c464ad in KMHeaders::qt_invoke (this=0x8443288, _id=107, 
    _o=0xaf84f5a8) at kmheaders.moc:295
#17 0xa723454b in QObject::activate_signal ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#18 0xa75dc678 in QListView::currentChanged ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#19 0xa7334dee in QListView::setCurrentItem ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#20 0xa7337fa3 in QListView::contentsMousePressEventEx ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#21 0xa733869a in QListView::contentsMousePressEvent ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#22 0xa5cb7eb2 in KListView::contentsMousePressEvent (this=0x8443288, 
    e=0xaf84f95c) at /home/gj/kde-sources/kdelibs/kdeui/klistview.cpp:791
#23 0xa7c3a702 in KMHeaders::contentsMousePressEvent (this=0x8443288, 
    e=0xaf84f95c) at /home/gj/kde-sources/kdepim/kmail/kmheaders.cpp:2174
#24 0xa73687ed in QScrollView::viewportMousePressEvent ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#25 0xa736b458 in QScrollView::eventFilter ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#26 0xa732fb8f in QListView::eventFilter ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#27 0xa7c35a63 in KMHeaders::eventFilter (this=0x8443288, o=0x8444198, 
    e=0xaf84ff3c) at /home/gj/kde-sources/kdepim/kmail/kmheaders.cpp:240
#28 0xa72316b0 in QObject::activate_filters ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#29 0xa723172e in QObject::event () from /usr/share/qt3/lib/libqt-mt.so.3
#30 0xa726eb9a in QWidget::event () from /usr/share/qt3/lib/libqt-mt.so.3
#31 0xa71ca87a in QApplication::internalNotify ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#32 0xa71cadff in QApplication::notify ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#33 0xa783faa9 in KApplication::notify (this=0xaf850518, receiver=0x8444198, 
    event=0xaf84ff3c)
    at /home/gj/kde-sources/kdelibs/kdecore/kapplication.cpp:550
#34 0xa715c06f in QApplication::sendSpontaneousEvent ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#35 0xa71577a4 in QETWidget::translateMouseEvent ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#36 0xa7155c94 in QApplication::x11ProcessEvent ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#37 0xa716f2a2 in QEventLoop::processEvents ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#38 0xa71e3255 in QEventLoop::enterLoop ()
   from /usr/share/qt3/lib/libqt-mt.so.3
#39 0xa71e317a in QEventLoop::exec () from /usr/share/qt3/lib/libqt-mt.so.3
#40 0xa71c938d in QApplication::exec () from /usr/share/qt3/lib/libqt-mt.so.3
#41 0x0804a66d in main (argc=141282504, argv=0x86bccc8)
    at /home/gj/kde-sources/kdepim/kmail/main.cpp:110