new SwingWorker<Void, Void>() {
@Override
protected Void doInBackground() throws Exception {
ServerManager serverMgr = tableUi.getServerManager();
ServerInformationStore knownServers = serverMgr.getServerInfoStore();
for (KnownServer s : selected) {
knownServers.removeServerRegistration(s.getServerInfo().getGuid());
}
tableUi.refreshTable();
return null;
}