› Forums › MyID knowledge base › MY0402 MyID Windows Client Error -99900037 Tagged: Windows Client Error This topic is empty. Viewing 1 post (of 1 total) Author Posts 26th May 2020 at 4:09 pm #3432 MyID SupportKeymaster Error Code -99900037 Text User communication is disabled. Unable to request missing card to be inserted into system. Please contact your system administrator. Details The smart card or VSC required cannot be found. This may occur in Self-Service App automation mode when a VSC for which the app is trying to process a lock PIN job has been removed from the PC. Solution Make sure the required smart card or VSC is present. Author Posts Viewing 1 post (of 1 total) The forum ‘MyID knowledge base’ is closed to new topics and replies.