Hi, starting kbluetooth4 and plugging a usb bluetooth dongle, I get the following error: kbluetooth4: symbol lookup error: kbluetooth4: undefined symbol: _ZN5Solid7Control16BluetoothManager8securityERK7QString c++filt tells me that this is a Solid symbol _ZN5Solid7Control16BluetoothManager8securityERK7QString Solid::Control::BluetoothManager::security(QString const&) so I guess this is a kdelibs problem. Does kdebluetooth need to be rebuild for the 4.2beta? kdelibs-4.1.85-6.fc10.i386 kdebluetooth-0.2-3.fc10.i386 Cheers, Andreas