This problem occurs when the following is true: You use Bridgemate II The first Bridgemate Control Software installation on your computer took place after 18 June 2015, i.e. BCS version 3.1.2 or later You have activated a number of Bridgemate II settings through Magic Contest that are found through Contest menu > Settings > Bridgemate, … Continue reading Magic Contest cannot write to the BMPlayer.mdb file used by Bridgemate Control Software