Following Aaron Roydhouse and others' suggestion, I found that disabling the mouse plugin fixed the error messages. keyboard plugin had no effect. However, disabling the mouse plugin messed with my key bindings in such a way that the system was unusable.
-- gnome-settings-daemon crash opening any window: "BadWindow" X error under Xvnc https://bugs.launchpad.net/bugs/199245 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
