This is an old issue that is fixed in newer gwibber releases, please could you run in a terminal "pkill gwibber-service" and then try to start gwibber again.
** Changed in: gwibber (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/756729 Title: Unable to restart Gwibber -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs