zet

(gdb) bt
#0  0x1079734e in QFlags<Qt::WindowType>::QFlags (this=0x22ccbc, f=...)
    at ../../include/QtCore/../../src/corelib/global/qglobal.h:2282
#1  0x1081cb8d in QWidget::windowFlags (this=0x1c766040)
    at ../../include/QtGui/../../src/gui/kernel/qwidget.h:937
#2  0x10098aa3 in QWidget::setParent (this=0x1c766040, parent=0xadf47a8)
    at kernel\qwidget.cpp:10132
#3  0x006e3b8f in OptionsTabPlugins::pluginSelected (this=0xb66ef00, index=14)
    at options\opt_plugins.cpp:146
#4  0x007244d9 in OptionsTabPlugins::qt_static_metacall (_o=0xb66ef00,
    _c=QMetaObject::InvokeMetaMethod, _id=1, _a=0x22ce68)
    at _moc\moc_opt_plugins.cpp:55
#5  0x6a22928b in QMetaObject::activate (sender=0x1c79b340, m=0x108f7d6c,
    local_signal_index=5, argv=0x22ce68) at kernel\qobject.cpp:3547
#6  0x10401784 in QComboBox::currentIndexChanged (this=0x1c79b340, _t1=14)
    at tmp/moc/debug_shared/moc_qcombobox.cpp:316
#7  0x103fafb8 in QComboBoxPrivate::_q_emitCurrentIndexChanged (
    this=0x1cc1f068, index=...) at widgets\qcombobox.cpp:1278
#8  0x103fd149 in QComboBoxPrivate::setCurrentIndex (this=0x1cc1f068, mi=...)
    at widgets\qcombobox.cpp:2046
#9  0x103fce8a in QComboBox::setCurrentIndex (this=0x1c79b340, index=14)
    at widgets\qcombobox.cpp:2022
#10 0x10400974 in QComboBox::wheelEvent (this=0x1c79b340, e=0x22d670)
    at widgets\qcombobox.cpp:3090
#11 0x1009641a in QWidget::event (this=0x1c79b340, event=0x22d670)
    at kernel\qwidget.cpp:8369
#12 0x103ffd84 in QComboBox::event (this=0x1c79b340, event=0x22d670)
    at widgets\qcombobox.cpp:2872
#13 0x1004c020 in QApplicationPrivate::notify_helper (this=0xa8b9300,
    receiver=0x1c79b340, e=0x22d670) at kernel\qapplication.cpp:4550
#14 0x1004a79d in QApplication::notify (this=0x22fdf8, receiver=0x1c79b340,
    e=0x22d670) at kernel\qapplication.cpp:4148
#15 0x0056d0f9 in PsiApplication::notify (this=0x22fdf8, receiver=0x1c79b340,
    event=0x22d670) at psiapplication.cpp:253
#16 0x6a213252 in QCoreApplication::notifyInternal (this=0x22fdf8,
    receiver=0x1c79b340, event=0x22d670) at kernel\qcoreapplication.cpp:876
#17 0x106e0246 in QCoreApplication::sendSpontaneousEvent (
    receiver=0x1c79b340, event=0x22d670)
    at ../../include/QtCore/../../src/corelib/kernel/qcoreapplication.h:234
#18 0x100b3504 in QETWidget::translateWheelEvent (this=0x1b7d1750, msg=...)
    at kernel\qapplication_win.cpp:3447
#19 0x100ae4f2 in QtWndProc@16 (hwnd=0x120638, message=522,
    wParam=4287102976, lParam=18088741) at kernel\qapplication_win.cpp:1817
#20 0x7e368734 in USER32!GetDC () from C:\WINDOWS\system32\user32.dll
Backtrace stopped: previous frame inner to this frame (corrupt stack?)