// Check, if at least one language module was selected for installation
// (not necessary, if an older product is updated or additional modules are
// added in maintenance mode).
boolean languageSelected = false;
if ( data.olderVersionExists() || data.sameVersionExists() || ( ! data.isMultiLingual())) {
languageSelected = true;
} else {
data.setLanguageModulesChecked(false);
ModuleCtrl.checkLanguageSelection(packageData, data);
languageSelected = data.languageModulesChecked();