Hello, i want to use Kubuntu 12.4 LTS with X2go. After any Login the Kdesktop restarts with folloing Krash Report. Has anybody a workaroung for this problem? Thanks Mirco Application: KWin (kwin), signal: Segmentation fault Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". [Current thread is 1 (Thread 0x7fc671dfe780 (LWP 15661))] Thread 3 (Thread 0x7fc655994700 (LWP 15663)): #0 0x00007fc66ce0bee8 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #1 0x00007fc66ce0dd31 in QEventDispatcherUNIX::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #2 0x00007fc66cddac82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #3 0x00007fc66cddaed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #4 0x00007fc66ccd9fa7 in QThread::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #5 0x00007fc66cdba9ff in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #6 0x00007fc66ccdcfcb in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #7 0x00007fc665f03e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #8 0x00007fc6716154bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #9 0x0000000000000000 in ?? () Thread 2 (Thread 0x7fc655193700 (LWP 15664)): #0 0x00007fc665f07d84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0 #1 0x00007fc66e0cb222 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 #2 0x00007fc66e0cb259 in ?? () from /usr/lib/x86_64-linux-gnu/libQtScript.so.4 #3 0x00007fc665f03e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #4 0x00007fc6716154bd in clone () from /lib/x86_64-linux-gnu/libc.so.6 #5 0x0000000000000000 in ?? () Thread 1 (Thread 0x7fc671dfe780 (LWP 15661)): [KCrash Handler] #6 0x00007fc6715a602c in free () from /lib/x86_64-linux-gnu/libc.so.6 #7 0x00007fc66f057819 in XFree () from /usr/lib/x86_64-linux-gnu/libX11.so.6 #8 0x00007fc66ebff2ee in XRRUpdateConfiguration () from /usr/lib/x86_64-linux-gnu/libXrandr.so.2 #9 0x00007fc67194cc60 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so #10 0x00007fc67193e4b8 in ?? () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so #11 0x00007fc66c1cdb85 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #12 0x00007fc66c1dcf98 in QApplication::x11ProcessEvent(_XEvent*) () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #13 0x00007fc66c207b3a in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4 #14 0x00007fc66cddac82 in QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #15 0x00007fc66cddaed7 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #16 0x00007fc66cddff67 in QCoreApplication::exec() () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4 #17 0x00007fc671940c36 in kdemain () from /usr/lib/kde4/libkdeinit/libkdeinit4_kwin.so #18 0x00007fc67154476d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 #19 0x0000000000400661 in _start ()