Application that crashed: ksysguard
Version of the application: 4.2.87 (KDE 4.2.87 (KDE 4.3 >= 20090519))
KDE Version: 4.2.87 (KDE 4.2.87 (KDE 4.3 >= 20090519))
Qt Version: 4.5.1
Operating System: Linux 2.6.28-gentoo-r2 i686
Distribution: "Gentoo Base System release 2.0.0"

What I was doing when the application crashed:
When I try to close window I getted this crash

 -- Backtrace:
Application: Monitor systemowy (ksysguard), signal: Segmentation fault
[KCrash Handler]
#5  0x00000000 in ?? ()
#6  0xb7f4a7e7 in ~WorkSheet (this=0x81fa400) at /var/tmp/portage/kde-base/ksysguard-4.2.87/work/ksysguard-4.2.87/ksysguard/gui/WorkSheet.cc:87
#7  0xb72b7b1d in QObjectPrivate::deleteChildren () from /usr/lib/qt4/libQtCore.so.4
#8  0xb6a7b8d2 in QWidget::~QWidget () from /usr/lib/qt4/libQtGui.so.4
#9  0xb6dfd2f2 in QFrame::~QFrame () from /usr/lib/qt4/libQtGui.so.4
#10 0xb6e62f76 in QStackedWidget::~QStackedWidget () from /usr/lib/qt4/libQtGui.so.4
#11 0xb72b7b1d in QObjectPrivate::deleteChildren () from /usr/lib/qt4/libQtCore.so.4
#12 0xb6a7b8d2 in QWidget::~QWidget () from /usr/lib/qt4/libQtGui.so.4
#13 0xb6e73342 in QTabWidget::~QTabWidget () from /usr/lib/qt4/libQtGui.so.4
#14 0xb786fe83 in ~KTabWidget (this=0x8163108) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdeui/widgets/ktabwidget.cpp:254
#15 0xb7f4e660 in ~Workspace (this=0x8163108) at /var/tmp/portage/kde-base/ksysguard-4.2.87/work/ksysguard-4.2.87/ksysguard/gui/Workspace.cc:56
#16 0xb72b7b1d in QObjectPrivate::deleteChildren () from /usr/lib/qt4/libQtCore.so.4
#17 0xb6a7b8d2 in QWidget::~QWidget () from /usr/lib/qt4/libQtGui.so.4
#18 0xb6dfd2f2 in QFrame::~QFrame () from /usr/lib/qt4/libQtGui.so.4
#19 0xb6e5d46b in QSplitter::~QSplitter () from /usr/lib/qt4/libQtGui.so.4
#20 0xb72b7b1d in QObjectPrivate::deleteChildren () from /usr/lib/qt4/libQtCore.so.4
#21 0xb6a7b8d2 in QWidget::~QWidget () from /usr/lib/qt4/libQtGui.so.4
#22 0xb6e17232 in QMainWindow::~QMainWindow () from /usr/lib/qt4/libQtGui.so.4
#23 0xb784b64a in ~KMainWindow (this=0x8155548) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdeui/widgets/kmainwindow.cpp:467
#24 0xb7889077 in ~KXmlGuiWindow (this=0x8155548, __vtt_parm=0xb7f64cf4) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdeui/xmlgui/kxmlguiwindow.cpp:127
#25 0xb7f56a4c in ~TopLevel (this=0x8155548) at /var/tmp/portage/kde-base/ksysguard-4.2.87/work/ksysguard-4.2.87/ksysguard/gui/ksysguard.h:38
#26 0xb72b77e5 in qDeleteInEventHandler () from /usr/lib/qt4/libQtCore.so.4
#27 0xb72b93eb in QObject::event () from /usr/lib/qt4/libQtCore.so.4
#28 0xb6a84458 in QWidget::event () from /usr/lib/qt4/libQtGui.so.4
#29 0xb6e1799f in QMainWindow::event () from /usr/lib/qt4/libQtGui.so.4
#30 0xb784d293 in KMainWindow::event (this=0x8b55c18, ev=0x8b55c18) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdeui/widgets/kmainwindow.cpp:1094
#31 0xb7888eec in KXmlGuiWindow::event (this=0x8155548, ev=0x8b55c18) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdeui/xmlgui/kxmlguiwindow.cpp:131
#32 0xb7f535ff in TopLevel::event (this=0x8155548, e=0x8b55c18) at /var/tmp/portage/kde-base/ksysguard-4.2.87/work/ksysguard-4.2.87/ksysguard/gui/ksysguard.cc:329
#33 0xb6a30f1c in QApplicationPrivate::notify_helper () from /usr/lib/qt4/libQtGui.so.4
#34 0xb6a39b0a in QApplication::notify () from /usr/lib/qt4/libQtGui.so.4
#35 0xb77813d0 in KApplication::notify (this=0x80767a8, receiver=0x8155548, event=0x8b55c18) at /var/tmp/portage/kde-base/kdelibs-4.2.87/work/kdelibs-4.2.87/kdeui/kernel/kapplication.cpp:302
#36 0xb72a9b72 in QCoreApplication::notifyInternal () from /usr/lib/qt4/libQtCore.so.4
#37 0xb72aa4b2 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/qt4/libQtCore.so.4
#38 0xb72aa64e in QCoreApplication::sendPostedEvents () from /usr/lib/qt4/libQtCore.so.4
#39 0xb72d1d80 in ?? () from /usr/lib/qt4/libQtCore.so.4
#40 0x00000000 in ?? ()