When asking for technical help at the very least let us know the version of firmware you are running.Cliff's Calibration (Mapping) Guide is a MUST READ: http://www.vemssupport.com/forum/index.php/topic,97.0.html
Just update vemstune ini files. So preferences, update files manualy (or set update to automatic).
They are still coding/testing Knock. A rpm depended noise threshold will be added. We have to wait a little time for the knock control.#Peter