Version:            (using KDE KDE 3.5.8)
Installed from:    Ubuntu Packages
OS:                Linux

Hi :)
Whenever I right-click on an empty area of the refactoring-assistant, Umbrello crashes.
More precisely, the fatal area is below the list of entries that can be refactored.

Backtrace information:
[KCrash handler]
#6  0x082004ef in RefactoringAssistant::findUMLObject ()
#7  0x082025df in RefactoringAssistant::showContextMenu ()
#8  0x08203234 in RefactoringAssistant::qt_invoke ()
#9  0xb7790893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#10 0xb683de05 in KListView::contextMenu () from /usr/lib/libkdeui.so.4
#11 0xb683de6f in KListView::emitContextMenu () from /usr/lib/libkdeui.so.4
#12 0xb6941b3d in KListView::qt_invoke () from /usr/lib/libkdeui.so.4
#13 0x082030d3 in RefactoringAssistant::qt_invoke ()
#14 0xb7790893 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#15 0xb7b33e36 in QListView::rightButtonPressed () from /usr/lib/libqt-mt.so.3
#16 0xb788f36b in QListView::contentsMousePressEventEx ()
   from /usr/lib/libqt-mt.so.3
#17 0xb788f398 in QListView::contentsMousePressEvent ()
   from /usr/lib/libqt-mt.so.3
#18 0xb680b0cc in KListView::contentsMousePressEvent ()
   from /usr/lib/libkdeui.so.4
#19 0xb78c60b9 in QScrollView::viewportMousePressEvent ()
   from /usr/lib/libqt-mt.so.3
#20 0xb78c752c in QScrollView::eventFilter () from /usr/lib/libqt-mt.so.3
#21 0xb788f806 in QListView::eventFilter () from /usr/lib/libqt-mt.so.3
#22 0xb778fe40 in QObject::activate_filters () from /usr/lib/libqt-mt.so.3
#23 0xb778febe in QObject::event () from /usr/lib/libqt-mt.so.3
#24 0xb77c75b3 in QWidget::event () from /usr/lib/libqt-mt.so.3
#25 0xb7727af0 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#26 0xb7729cae in QApplication::notify () from /usr/lib/libqt-mt.so.3
#27 0xb7eedca2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#28 0xb76ba27d in QApplication::sendSpontaneousEvent ()
   from /usr/lib/libqt-mt.so.3
#29 0xb76b8ee2 in QETWidget::translateMouseEvent ()
   from /usr/lib/libqt-mt.so.3
#30 0xb76b6fcc in QApplication::x11ProcessEvent () from /usr/lib/libqt-mt.so.3
#31 0xb76ce1a4 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#32 0xb77421ce in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#33 0xb7741fde in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#34 0xb7729699 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#35 0x081e2d27 in main ()