This sounds like it could be bug #1643976, but without a crash file to inspect the stack trace I can’t be sure. Can you please check whether you have a crash file for webbrowser-app under /var/crash, and if so attach it here? Thanks!
** Changed in: webbrowser-app (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1652007 Title: webbrowser-app crashes on startup when a secondary display is attached [terminate called after throwing an instance of 'std::out_of_range' what(): map::at] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/webbrowser-app/+bug/1652007/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs