try {
Authenticator.getInstance().authenticate();
Mediator.getUI().getStatusPane().setMessage(
"Initialising Plug-in Manager...");
manager.init();
new PluginManagementDialog(manager);
Mediator.getUI().getStatusPane().setMessage("");
} catch (ConnectionException ex) {
MessageBox.showErrorDialog(
"Authentication Source Error", ex);
} catch (AuthenticationError ex) {