Version:           0.60.3 (using KDE 4.1.3)
Compiler:          4.3.2 
OS:                Linux
Installed from:    Fedora RPMs

On Fedora 10:
1. Open Kopete
2. 'Settings' -> 'Configure' -> 'Add Account' -> 'Gadu-Gadu' -> fill 'Gadu-Gadu UIN' and 'Password' (check Remember) -> 'Next' -> 'Finish' -> 'Apply' -> 'Cancel'
3. Make sure you are online
4. 'Settings' -> 'Configure' -> Choose Gadu-Gadu account -> 'Modify Account'

Then configuration window flashes and Kopete crashes. Tested quite a few times always the same effect.

Application: Kopete (kopete), signal SIGSEGV
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb7fde770 (LWP 3447)]
(no debugging symbols found)
[KCrash handler]
#6  0x06e4a042 in ?? () from /usr/lib/libQtGui.so.4
#7  0x06e4b7db in QLineEdit::setText () from /usr/lib/libQtGui.so.4
#8  0x028f5492 in Kopete::Password::setWrong ()
   from /usr/lib/kde4/kopete_gadu.so
#9  0x028f59c8 in Kopete::Password::setWrong ()
   from /usr/lib/kde4/kopete_gadu.so
#10 0x068b3de0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#11 0x068b4b62 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#12 0x02907ff9 in ?? () from /usr/lib/kde4/kopete_gadu.so
#13 0x0290e161 in ?? () from /usr/lib/kde4/kopete_gadu.so
#14 0x068b3de0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#15 0x068b4b62 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#16 0x028fc509 in Kopete::Password::setWrong ()
   from /usr/lib/kde4/kopete_gadu.so
#17 0x028fe331 in Kopete::Password::setWrong ()
   from /usr/lib/kde4/kopete_gadu.so
#18 0x028fe6ba in Kopete::Password::setWrong ()
   from /usr/lib/kde4/kopete_gadu.so
#19 0x028ffa8c in Kopete::Password::setWrong ()
   from /usr/lib/kde4/kopete_gadu.so
#20 0x068b3de0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#21 0x068b4b62 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#22 0x068eeab3 in QSocketNotifier::activated () from /usr/lib/libQtCore.so.4
#23 0x068b99b7 in QSocketNotifier::event () from /usr/lib/libQtCore.so.4
#24 0x06aa862c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#25 0x06ab046e in QApplication::notify () from /usr/lib/libQtGui.so.4
#26 0x0780171d in KApplication::notify () from /usr/lib/libkdeui.so.5
#27 0x0689f1b1 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#28 0x068c9a7a in ?? () from /usr/lib/libQtCore.so.4
#29 0x0047c208 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#30 0x0047f8b3 in ?? () from /lib/libglib-2.0.so.0
#31 0x0047fa71 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#32 0x068c97e8 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#33 0x06b41485 in ?? () from /usr/lib/libQtGui.so.4
#34 0x0689d87a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#35 0x0689da3a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#36 0x06f13ed7 in QDialog::exec () from /usr/lib/libQtGui.so.4
#37 0x0521f4cf in ?? () from /usr/lib/kde4/kcm_kopete_accountconfig.so
#38 0x0521f58f in ?? () from /usr/lib/kde4/kcm_kopete_accountconfig.so
#39 0x052215bb in ?? () from /usr/lib/kde4/kcm_kopete_accountconfig.so
#40 0x068b3de0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#41 0x068b41e0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#42 0x06aa2331 in QAction::triggered () from /usr/lib/libQtGui.so.4
#43 0x06aa2c9f in QAction::activate () from /usr/lib/libQtGui.so.4
#44 0x06aa6443 in QAction::qt_metacall () from /usr/lib/libQtGui.so.4
#45 0x06b054ea in QWidgetAction::qt_metacall () from /usr/lib/libQtGui.so.4
#46 0x077261da in KAction::qt_metacall () from /usr/lib/libkdeui.so.5
#47 0x068b3de0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#48 0x068b41e0 in QMetaObject::activate () from /usr/lib/libQtCore.so.4
#49 0x07095391 in QAbstractButton::clicked () from /usr/lib/libQtGui.so.4
#50 0x06de86f9 in ?? () from /usr/lib/libQtGui.so.4
#51 0x06dea2d4 in ?? () from /usr/lib/libQtGui.so.4
#52 0x06dea566 in QAbstractButton::mouseReleaseEvent ()
   from /usr/lib/libQtGui.so.4
#53 0x06b00692 in QWidget::event () from /usr/lib/libQtGui.so.4
#54 0x06de859e in QAbstractButton::event () from /usr/lib/libQtGui.so.4
#55 0x06e8ee50 in QPushButton::event () from /usr/lib/libQtGui.so.4
#56 0x06aa862c in QApplicationPrivate::notify_helper ()
   from /usr/lib/libQtGui.so.4
#57 0x06ab0e21 in QApplication::notify () from /usr/lib/libQtGui.so.4
#58 0x0780171d in KApplication::notify () from /usr/lib/libkdeui.so.5
#59 0x0689f1b1 in QCoreApplication::notifyInternal ()
   from /usr/lib/libQtCore.so.4
#60 0x06ab00ae in QApplicationPrivate::sendMouseEvent ()
   from /usr/lib/libQtGui.so.4
#61 0x06b1a3c6 in ?? () from /usr/lib/libQtGui.so.4
#62 0x06b19755 in QApplication::x11ProcessEvent () from /usr/lib/libQtGui.so.4
#63 0x06b41d8a in ?? () from /usr/lib/libQtGui.so.4
#64 0x0047c208 in g_main_context_dispatch () from /lib/libglib-2.0.so.0
#65 0x0047f8b3 in ?? () from /lib/libglib-2.0.so.0
#66 0x0047fa71 in g_main_context_iteration () from /lib/libglib-2.0.so.0
#67 0x068c97e8 in QEventDispatcherGlib::processEvents ()
   from /usr/lib/libQtCore.so.4
#68 0x06b41485 in ?? () from /usr/lib/libQtGui.so.4
#69 0x0689d87a in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#70 0x0689da3a in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#71 0x068a00f5 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#72 0x06aa84a7 in QApplication::exec () from /usr/lib/libQtGui.so.4
#73 0x080867bf in _start ()