Application that crashed: gtk-kde4
Version of the application: 0,9
KDE Version: 4.3.1 (KDE 4.3.1)
Qt Version: 4.5.1
Operating System: Linux 2.6.30-gentoo-r4 x86_64

What I was doing when the application crashed:
Crashes after boot, window are drawed don't correctly.

 -- Backtrace:
Application: Change your GTK style (gtk-kde4), signal: Aborted
[KCrash Handler]
#5  0x00007fe615946205 in raise () from /lib/libc.so.6
#6  0x00007fe615947723 in abort () from /lib/libc.so.6
#7  0x00007fe615981cf8 in ?? () from /lib/libc.so.6
#8  0x00007fe615987468 in ?? () from /lib/libc.so.6
#9  0x00007fe617691ce5 in QObject::event () from /usr/lib64/qt4/libQtCore.so.4
#10 0x00007fe616a901ff in QWidget::event () from /usr/lib64/qt4/libQtGui.so.4
#11 0x00007fe616dba461 in QMainWindow::event () from /usr/lib64/qt4/libQtGui.so.4
#12 0x00007fe616a4c0f5 in QApplicationPrivate::notify_helper () from /usr/lib64/qt4/libQtGui.so.4
#13 0x00007fe616a53452 in QApplication::notify () from /usr/lib64/qt4/libQtGui.so.4
#14 0x00007fe617b647d4 in KApplication::notify () from /usr/lib64/libkdeui.so.5
#15 0x00007fe61768474e in QCoreApplication::notifyInternal () from /usr/lib64/qt4/libQtCore.so.4
#16 0x00007fe617684f37 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib64/qt4/libQtCore.so.4
#17 0x00007fe617685202 in QCoreApplication::exec () from /usr/lib64/qt4/libQtCore.so.4
#18 0x0000000000405f80 in _start ()

Reported using DrKonqi