Sometimes the registry settings for the editor keystrokes in BricxCC can become corrupted. If this happens certain keys will not function, such as enter, backspace, delete, etc... Fortunately, it is easy to fix this problem. Simply open the Preferences dialog, switch to the Options tab, click the Edit Keystrokes button and then click Reset List. That will restore the default editor keystroke mappings and fix the broken keystrokes. The restored settings will replace the corrupted registry settings when you exit BricxCC.