I am not instructing you to do anything and my first response to any problem is rarely to re-install. The fact that a re-install has already been attempted lead me to the ask about the process used. Uninstalling CbB or any previous SONAR/Cakewalk DAW affects all of the related DAWs. Only with the third post was there any mention of software other than CbB. Maybe providing more information about the system would be a good idea. If you want specific information about error