Der Betreff sagt es eigentlich schon: Alles funktioniert glaub ich. Will ich als normaler User ein Verzeichnis öffnen, macht er ganz kurz das Fenster auf, in dem man den Inhalt sehen kann, um es gleich wieder zu schließen. Das zeigt der Crashmanager in Backtrace: #0 0x410d08c9 in wait4 () from /lib/libc.so.6 #1 0x4114bc90 in __DTOR_END__ () from /lib/libc.so.6 #2 0x40f2ba93 in waitpid () from /lib/libpthread.so.0 #3 0x40626f0d in KCrash::defaultCrashHandler(int) () from /opt/kde3/lib/libkdecore.so.4 #4 0x40f2912b in pthread_sighandler () from /lib/libpthread.so.0 #5 <signal handler called> #6 0x0000252e in ?? () #7 0x4063c6c0 in KLibrary::factory() () from /opt/kde3/lib/libkdecore.so.4 #8 0x4063e674 in KLibLoader::factory(char const*) () from /opt/kde3/lib/libkdecore.so.4 #9 0x4143a641 in KonqIconViewWidget::startImagePreview(QStringList const&, bool) () from /opt/kde3/lib/libkonq.so.4 #10 0x41a0666e in KonqKfmIconView::mimeTypeDeterminationFinished() () from /opt/kde3/lib/kde3/konq_iconview.so #11 0x41a09b8e in KMimeTypeResolver<KFileIVI, KonqKfmIconView>::slotProcessMimeIcons() () from /opt/kde3/lib/kde3/konq_iconview.so #12 0x401c2bc0 in KMimeTypeResolverHelper::qt_invoke(int, QUObject*) () from /opt/kde3/lib/libkio.so.4 #13 0x409bbef9 in QObject::activate_signal(QConnectionList*, QUObject*) () from /usr/lib/libqt-mt.so.3 #14 0x409bbd97 in QObject::activate_signal(int) () from /usr/lib/libqt-mt.so.3 #15 0x40c9f3bb in QTimer::timeout() () from /usr/lib/libqt-mt.so.3 #16 0x409dd1f2 in QTimer::event(QEvent*) () from /usr/lib/libqt-mt.so.3 #17 0x4095dd94 in QApplication::internalNotify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3 #18 0x4095d31c in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libqt-mt.so.3 #19 0x405b8f09 in KApplication::notify(QObject*, QEvent*) () from /opt/kde3/lib/libkdecore.so.4 #20 0x40936ba3 in QEventLoop::activateTimers() () from /usr/lib/libqt-mt.so.3 #21 0x40914304 in QEventLoop::processEvents(unsigned) () from /usr/lib/libqt-mt.so.3 #22 0x40971b06 in QEventLoop::enterLoop() () from /usr/lib/libqt-mt.so.3 #23 0x409719a8 in QEventLoop::exec() () from /usr/lib/libqt-mt.so.3 #24 0x4095dfc1 in QApplication::exec() () from /usr/lib/libqt-mt.so.3 #25 0x414b0717 in main () from /opt/kde3/lib/konqueror.so #26 0x0804cc3a in strcpy () #27 0x0804d909 in strcpy () #28 0x0804de34 in strcpy () #29 0x0804eb40 in strcpy () #30 0x4104b4a2 in __libc_start_main () from /lib/libc.so.6 Die Hexnummern sagen mir nichts. Erkennt einer von euch, wo der Fehler steckt? Peter