What were you doing when the application crashed?
Since I am using Debian Lenny (updated from Etch), when I try choose "properties" menu of some files (at least directories and saved web pages) I see bug report of gnome CD/DVD burner.


Distribution: Debian lenny/sid
Gnome Release: 2.18.3 2007-07-03 (Debian)
BugBuddy Version: 2.18.1

System: Linux 2.6.22-2-686 #1 SMP Fri Aug 31 00:24:01 UTC 2007 i686
X Vendor: The X.Org Foundation
X Vendor Release: 10300000
Selinux: No
Accessibility: Disabled
GTK+ Theme: ClearlooksClassic
Icon Theme: gnome

Memory status: size: 83316736 vsize: 83316736 resident: 32219136 share: 15650816 rss: 32219136 rss_rlim: 4294967295
CPU usage: start_time: 1194963162 rtime: 173 utime: 160 stime: 13 cutime:0 cstime: 0 timeout: 0 it_real_value: 0 frequency: 100

Backtrace was generated from '/usr/bin/nautilus'

(no debugging symbols found)
Using host libthread_db library "/lib/i686/cmov/libthread_db.so.1".
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread 0xb6de26b0 (LWP 21192)]
[New Thread 0xb5477b90 (LWP 21238)]
(no debugging symbols found)
0xffffe410 in __kernel_vsyscall ()

+ Trace 177424

----------- .xsession-errors ---------------------
** Message: volume = 0
** Message: drive = 0
** Message: volume = 0
** Message: drive = 0
** Message: volume = 0
** Message: drive = 0
** Message: volume = 0
** Message: drive = 0
** Message: volume = 0
** Message: drive = 0
** Message: volume = 0
Gtk-ERROR **: file /tmp/buildd/gtk+2.0-2.12.1/gtk/gtkliststore.c: line 1677 (gtk_list_store_compare_func): assertion failed: (VALID_ITER (&iter_b, list_store))
aborting...
/usr/share/themes/ClearlooksClassic/gtk-2.0/gtkrc:61: error: unexpected identifier `colorize_scrollbar', expected character `}'
--------------------------------------------------