System Workbench for STM32 installation and configuration on Linux Posted by bluenow on 2016-10-07 19:31 Here is an error message I had seen when System Workbench for STM32 stop responding. Gtk:ERROR:/build/gtk+3.0-6ZPWga/gtk+3.0-3.18.9/./gtk/a11y/gtkaccessibility.c:564:gail_focus_notify_when_idle: code should not be reached