I have this problem in Ubuntu Gnome 17.10 corrado@corrado-HP-aGnome:~$ gnome-control-center region
** (gnome-control-center:2370): WARNING **: Ignoring launcher gufw (missing desktop file) ** (gnome-control-center:2370): WARNING **: Ignoring launcher landscape- client-settings (missing desktop file) ** (gnome-control-center:2370): WARNING **: Ignoring launcher language- selector (missing desktop file) ** (gnome-control-center:2370): WARNING **: Ignoring launcher system- config-printer (missing desktop file) ** (gnome-control-center:2370): WARNING **: Ignoring launcher ubuntuone- installer (missing desktop file) (gnome-control-center:2370): common-cc-panel-WARNING **: Language en_US.UTF-8 not installed, trying to install it *** Error in `gnome-control-center': double free or corruption (fasttop): 0x0000563121443800 *** ======= Backtrace: ========= /lib/x86_64-linux-gnu/libc.so.6(+0x7908b)[0x7ff61c9f208b] /lib/x86_64-linux-gnu/libc.so.6(+0x826fa)[0x7ff61c9fb6fa] /lib/x86_64-linux-gnu/libc.so.6(cfree+0x4c)[0x7ff61c9ff12c] gnome-control-center(+0x9bb83)[0x56311f5ddb83] gnome-control-center(+0x9bd17)[0x56311f5ddd17] /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0(+0x88e53)[0x7ff61d54de53] ...... 7ff60ad38000-7ff60ad39000 rw-p 0005e000 08:07 1454385 /usr/lib/x86_64-linux-gnu/libwebp.so.6.0.2 7ff60ad39000-7ff60ad3a000 rw-p 00000000 00:00 0 7ff60ad3a000-7ff60ada3000 r-xp 00000000 08:07 1453786 /usr/lib/x86_64-linux-gnu/libjpeg.so.8.1.2 7ff60ada3000-7ff60afa2000 ---p 00069000 08:07 1453786 /usr/lib/x86_64-linux-gnu/libjpeg.so.8.1.2 7ff60afa2000-7ff60afa3000 r--p 00068000 08:07 1453786 /usr/lib/x86_64-linux-gnu/libjpeg.so.8.1.2Aborted (core dumped) corrado@corrado-HP-aGnome:~$ I can reproduce problem; let me know if I should add other info. ** Attachment added: "Region-and-language.zip" https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1219993/+attachment/4881366/+files/Region-and-language.zip -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1219993 Title: [sound]: gnome-control-center assert failure: *** Error in `gnome- control-center': double free or corruption (fasttop): 0x0000000001683200 *** To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1219993/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs