Comment 1 for bug 152418

Output when executed from the command line, the last line (combobox complaint) looks to me like it might be related:

X Error: BadDevice, invalid or uninitialized input device 158
  Major opcode: 150
  Minor opcode: 3
  Resource id: 0x0
Failed to open device
X Error: BadDevice, invalid or uninitialized input device 158
  Major opcode: 150
  Minor opcode: 3
  Resource id: 0x0
Failed to open device
QTime::setHMS Invalid time 24:00:00.000
QTime::setHMS Invalid time 24:00:00.000
> bigjoe@bork [~/.kde/share/apps/soundkonverter]
> $ QObject::connect: No such signal KComboBox::toggled(bool)
QObject::connect: (sender name: 'cPriority')
QObject::connect: (receiver name: 'configGeneralPage')
QComboBox::setCurrentItem: (cRipper) Index 2 out of range