plantage de la konsole

bonjour, voila ce que j'obtien depuis ce matin quand j'arrive sur mon bureau kde:

L'application Konsole (konsole) s'est terminée anormalement et a provoqué le signal 4 (SIGILL), dans l'onglet pille d'appel:

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Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1231877824 (LWP 6265)]
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[KCrash handler]
#6 0xb6789a8b in TEWidget::fontChange () from /usr/lib/libkdeinit_konsole.so
#7 0x00000042 in ?? ()
#8 0xb72f925e in QWidget::setFont () from /usr/lib/libqt-mt.so.3
#9 0x0813a001 in ?? ()
#10 0xbfb454d8 in ?? ()
#11 0xb67b50d8 in ?? () from /usr/lib/libkdeinit_konsole.so
#12 0xbfb454fc in ?? ()
#13 0x081b6788 in ?? ()
#14 0x08142948 in ?? ()
#15 0xb6785209 in TEWidget::setVTFont () from /usr/lib/libkdeinit_konsole.so
#16 0x081b6788 in ?? ()
#17 0xbfb454fc in ?? ()
#18 0xbfb454f8 in ?? ()
#19 0xb730d8e1 in QMemArray::~QMemArray () from /usr/lib/libqt-mt.so.3

Voila, je présice que je suis sur Kubuntu 6.10 Edgy et que j'ai réinstallé tous mon système hier, mis a part l'installation de mes drivers nvidia je n'ai pas touché au système. Et, je ne sait pas si sa un rapport mais quand je veut lancer adept il demarre mais se kill tous seul après 5 secondes.
J'ai également remis mon home original le problème est le meme.

comprend pas.... si quelqu'un peut m'aider parcque la c'est vraiment ennuyeux