Version:            (using KDE 4.2.90)
OS:                Linux
Installed from:    Fedora RPMs

The crash happend when running my coputer over night:

Application: KDE Daemon (kded4), signal: Aborted
[KCrash Handler]
#6  0x00e6a422 in __kernel_vsyscall ()
#7  0x00b657c1 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#8  0x00b67092 in *__GI_abort () at abort.c:88
#9  0x0059a985 in _dbus_abort () at dbus-sysdeps.c:88
#10 0x005962b9 in _dbus_warn_check_failed (
    format=0x5a3940 "arguments to %s() were incorrect, assertion \"%s\" failed in file %s line %d.\nThis is normally a bug in some application using the D-Bus library.\n") at dbus-internals.c:283
#11 0x0057fe4c in dbus_set_error (error=0xbfde4bbc, name=0x7c28c0 "org.freedesktop.PolicyKit.LocalError", format=0x7c289c "stdout and/or stdin is not a tty") at dbus-errors.c:364
#12 0x007be38c in _auth_show_dialog_text (action_id=<value optimized out>, pid=2012, error=0xbfde4bbc) at polkit-simple.c:298
#13 0x007be62c in polkit_auth_obtain (action_id=0x9fa9d80 "org.freedesktop.packagekit.system-sources-refresh", xid=0, pid=2012, error=0xbfde4bbc) at polkit-simple.c:385
#14 0x00e293b9 in ?? ()
#15 0x09fa9d80 in ?? ()
#16 0x00000000 in ?? ()