При этом сама XNeur работает.

Протокол сбоя KXNeur :

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Using host libthread_db library "/lib/libthread_db.so.1".
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[Thread debugging using libthread_db enabled]
[New Thread -1226602752 (LWP 11447)]
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[KCrash handler]
#5  0xb7613e75 in QString::QString () from /usr/lib/libqt-mt.so.3
#6  0x08057d10 in QWidget::setUpdatesEnabled ()
#7  0xbfcfd214 in ?? ()
#8  0x006e7377 in ?? ()
#9  0x08277bc0 in ?? ()
#10 0x0806fbf4 in typeinfo for QObject ()
#11 0xffffffff in ?? ()
#12 0x00000000 in ?? ()