If using the 13.05 Windows Agent, the Agent will fail when checking for updates. An entry similar to the following will be seen in the Flexnet Connect Trace file.
(Agent1300:552)[3\4 11:26:46:584]: Exception occurred in DisplayMessages for Product
(Agent1300:2956)[3\4 11:26:48:428]: Agent Launch: Version 13.05.100.57147 Command Line agent -sn{C53E2C04-8B43-F573-5ACC-E2EB9E8EF9C6}
(Agent1300:2852)[3\4 11:26:48:444]: ShowNotifications ProductCode: {C53E2C04-8B43-F573-5ACC-E2EB9E8EF9C6} ApplicationContext: 8
(Agent1300:2956)[3\4 11:26:48:444]: Error during runtime: 261
(Agent1300:2956)[3\4 11:26:48:444]: Agent Shutdown: Version 13.05.100.57147 Command Line agent -sn{C53E2C04-8B43-F573-5ACC-E2EB9E8EF9C6}
(Agent1300:2956)[3\4 11:26:48:444]: Agent return value: 261
(Agent1300:2956)[3\4 11:26:48:428]: Agent Launch: Version 13.05.100.57147 Command Line agent -sn{C53E2C04-8B43-F573-5ACC-E2EB9E8EF9C6}
(Agent1300:2852)[3\4 11:26:48:444]: ShowNotifications ProductCode: {C53E2C04-8B43-F573-5ACC-E2EB9E8EF9C6} ApplicationContext: 8
(Agent1300:2956)[3\4 11:26:48:444]: Error during runtime: 261
(Agent1300:2956)[3\4 11:26:48:444]: Agent Shutdown: Version 13.05.100.57147 Command Line agent -sn{C53E2C04-8B43-F573-5ACC-E2EB9E8EF9C6}
(Agent1300:2956)[3\4 11:26:48:444]: Agent return value: 261