Version:           0.9.0 (using KDE 3.3.0, SuSE)
Compiler:          gcc version 3.3.4 (pre 3.3.5 20040809)
OS:                Linux (i686) release 2.6.8-24.18-default

This is the bug tracking (I tried to reinstall kopete, also I checked for online updates):

Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 1104617568 (LWP 13130)]
[KCrash handler]
#7  0x42477632 in RTF2HTML::FlushOutTags ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#8  0x4247789d in Level::setText () from /opt/kde3/lib/libkopete_oscar.so.1
#9  0x4247a037 in RTF2HTML::Parse () from /opt/kde3/lib/libkopete_oscar.so.1
#10 0x4247ce47 in OscarMessage::setText ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#11 0x4249105d in OscarSocket::parseAdvanceMessage ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#12 0x4249195d in OscarSocket::parseIM ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#13 0x42493cbc in OscarSocket::slotRead ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#14 0x424947b1 in OscarConnection::qt_invoke ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#15 0x42494855 in OscarSocket::qt_invoke ()
   from /opt/kde3/lib/libkopete_oscar.so.1
#16 0x413410ee in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#17 0x41341896 in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#18 0x40fb68fc in KNetwork::KClientSocketBase::readyRead ()
   from /opt/kde3/lib/libkdecore.so.4
#19 0x40fb693a in KNetwork::KClientSocketBase::slotReadActivity ()
   from /opt/kde3/lib/libkdecore.so.4
#20 0x40fb975d in KNetwork::KBufferedSocket::slotReadActivity ()
   from /opt/kde3/lib/libkdecore.so.4
#21 0x40fbde6f in KNetwork::KBufferedSocket::qt_invoke ()
   from /opt/kde3/lib/libkdecore.so.4
#22 0x413410ee in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#23 0x4134171d in QObject::activate_signal ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#24 0x41691fe0 in QSocketNotifier::activated ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#25 0x41360d40 in QSocketNotifier::event () from /usr/lib/qt3/lib/libqt-mt.so.3
#26 0x412de85f in QApplication::internalNotify ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#27 0x412e0423 in QApplication::notify () from /usr/lib/qt3/lib/libqt-mt.so.3
#28 0x40f70ad1 in KApplication::notify () from /opt/kde3/lib/libkdecore.so.4
#29 0x412d29d6 in QEventLoop::activateSocketNotifiers ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#30 0x4128bf12 in QEventLoop::processEvents ()
   from /usr/lib/qt3/lib/libqt-mt.so.3
#31 0x412f67b1 in QEventLoop::enterLoop () from /usr/lib/qt3/lib/libqt-mt.so.3
#32 0x412f65f6 in QEventLoop::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#33 0x412e02ef in QApplication::exec () from /usr/lib/qt3/lib/libqt-mt.so.3
#34 0x08077150 in main ()