Hi, I'm not quite sure what the problem might be exactly, so I'm sending the backtrace I get from an update-desktop-database segfaut with the latest FC Devel before bugzilla'ing it. # gdb update-desktop-database [...] (gdb) set args /usr/share/applications (gdb) run Starting program: /usr/bin/update-desktop-database /usr/share/applications ** (process:16018): CRITICAL **: file eggdesktopentries.c: line 1044 (egg_desktop_entries_get_string): assertion `group != NULL' failed Program received signal SIGSEGV, Segmentation fault. 0x08049a55 in process_desktop_files ( desktop_dir=0xfef48c15 "/usr/share/applications", prefix=0x804d0b3 "", error=0x0) at update-desktop-database.c:121 121 for (i = 0; mime_types[i] != NULL; i++) (gdb) bt #0 0x08049a55 in process_desktop_files ( desktop_dir=0xfef48c15 "/usr/share/applications", prefix=0x804d0b3 "", error=0x0) at update-desktop-database.c:121 #1 0x08049e8b in main (argc=0, argv=0x0) at update-desktop-database.c:356 #2 0x00adea93 in __libc_start_main () from /lib/tls/libc.so.6 #3 0x08049841 in _start () (gdb) I think I've been seeing this segfault from %post scriplets for over a week already. Matthias -- Clean custom Red Hat Linux rpm packages : http://freshrpms.net/ Red Hat Enterprise Linux AS release 3 (Taroon) - Linux kernel 2.6.8-1.521 Load : 0.34 0.55 0.52