Hi, the latest updated of startup-notification (0.10-2 -> 0.12-1) break some applications: e.g. claws-mail. Downgrading startup-notification has solved the issue. The following is the crash-log: *** Claws Mail version 3.7.9 GTK+ version 2.24.4 / GLib 2.28.7 Locale: it_IT.utf8 (charset: UTF-8) Features: IPv6 iconv compface GnuTLS LDAP JPilot GNU/aspell libetpan libSM Operating system: Linux 2.6.38-ARCH (x86_64) C Library: GNU libc 2.13 -- [Thread debugging using libthread_db enabled] 0x00007f2a674b52ee in waitpid () from /lib/libpthread.so.0 #0 0x00007f2a674b52ee in waitpid () from /lib/libpthread.so.0 No symbol table info available. #1 0x000000000049835b in ?? () No symbol table info available. #2 <signal handler called> No symbol table info available. #3 0x00007f2a61b17547 in XGetXCBConnection () from /usr/lib/libX11-xcb.so.1 No symbol table info available. #4 0x00007f2a678ec2f1 in sn_display_new () from /usr/lib/libstartup-notification-1.so.0 No symbol table info available. #5 0x00000000004443de in ?? () No symbol table info available. #6 0x000000000044662c in main () No symbol table info available. Kill the program being debugged? (y or n) [answered Y; input not from terminal] ***