Some scripts may output some information or error messages during execution. All output explicitly printed by the script writer goes to the script console, which is a pop-up window with one line of text. New text overrides any previous text. When the scripts complete, the window closes. If there were errors during the script execution, another window is displayed, containing information or the stack trace that was generated when the error occurred. Information and error messages are displayed by default, but you can turn them off in the user preferences.
To turn off feedback while running scripts: