Application that crashed: 
Version of the application: 2.0
KDE Version: 4.3.2 (KDE 4.3.2)
Qt Version: 4.5.2
Operating System: Linux 2.6.31-14-generic i686
Distribution: Linux Mint 8 Helena - Main Edition

What I was doing when the application crashed:
Envy didn't recommend nor showed any compatible driver for my graphic card (ATI Radeon 9550). I just clicked on "close button" then error screen showed up

 -- Backtrace:
Application: EnvyNG (), signal: Segmentation fault
[KCrash Handler]
#6  0x01442f32 in ?? () from /usr/lib/libQtGui.so.4
#7  0x0143bb96 in ?? () from /usr/lib/libQtGui.so.4
#8  0x0129d984 in QWidgetPrivate::deleteExtra() () from /usr/lib/libQtGui.so.4
#9  0x0129e125 in QWidgetPrivate::~QWidgetPrivate() () from /usr/lib/libQtGui.so.4
#10 0x017274c9 in ?? () from /usr/lib/libQtGui.so.4
#11 0x03dbf86a in QObject::~QObject() () from /usr/lib/libQtCore.so.4
#12 0x012a39cf in QWidget::~QWidget() () from /usr/lib/libQtGui.so.4
#13 0x0173f184 in QDialog::~QDialog() () from /usr/lib/libQtGui.so.4
#14 0x021cc2cf in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#15 0x0216a497 in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#16 0x0216a4da in ?? () from /usr/lib/pymodules/python2.6/PyQt4/QtGui.so
#17 0x0060fa1b in ?? () from /usr/lib/pymodules/python2.6/sip.so
#18 0x0060fa51 in ?? () from /usr/lib/pymodules/python2.6/sip.so
#19 0x080a8ee3 in ?? ()
#20 0x0808cf19 in ?? ()
#21 0x0808f377 in PyDict_SetItem ()
#22 0x08090cd3 in _PyModule_Clear ()
#23 0x080ed815 in PyImport_Cleanup ()
#24 0x080fa305 in Py_Finalize ()
#25 0x0805c34b in Py_Main ()
#26 0x0805baeb in main ()

Reported using DrKonqi