Expert Assist displaying “Application Blocked by Java Security” (4228510)

When connecting to a machine using Expert Assist a dialogue box is shown stating "Application Blocked by Java Security" and all features that require Java to function will not load, this includes Remote Control.

 “Java Application Blocked
Application Blocked by Java Security For security, applications must now meet the requirements for the High or Very High security settings, or be part of the Exception Site List, to be allowed to run.

Your security settings have blocked an application signed with an expired or not-yet-valid certificate from running”