› Forums › MyID knowledge base › MY0406 MyID Windows Client Error -9990001 Tagged: Windows Client Error This topic is empty. Viewing 1 post (of 1 total) Author Posts 26th May 2020 at 4:15 pm #3440 MyID SupportKeymaster Error Code -9990001 Text Unable to access MyID Details This error occurs when an unexpected problem occurs when attempting to log on to MyID with security questions. May be caused by network problems. Solution Check that your network is working correctly and that your MyID servers are running. If problems persist, contact Intercede. Author Posts Viewing 1 post (of 1 total) The forum ‘MyID knowledge base’ is closed to new topics and replies.