Made error message more informative

src/QGCCore.cc

@@ -170,7 +170,7 @@ QGCCore::QGCCore(int &argc, char* argv[]) : QApplication(argc, argv)
         QMessageBox msgBox;
         msgBox.setIcon(QMessageBox::Critical);
         msgBox.setText("Could not connect UDP port. Is an instance of " + qAppName() + "already running?");
-        msgBox.setInformativeText("You will not be able to receive data via UDP. Please check that you're running the right executable and then re-start " + qAppName() + ". Do you want to close the application?");
+        msgBox.setInformativeText("It is recommended to close the application and stop all instances. Click Yes to close.");
         msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
         msgBox.setDefaultButton(QMessageBox::No);
         int ret = msgBox.exec();
@@ -185,15 +185,6 @@ QGCCore::QGCCore(int &argc, char* argv[]) : QApplication(argc, argv)
             QTimer::singleShot(200, mainWindow, SLOT(close()));
         }
     }
-
-//    forever
-//    {
-//        QGC::SLEEP::msleep(5000);
-//    }
-
-//    mainWindow->close();
-//    mainWindow->deleteLater();
-//    QGC::SLEEP::msleep(200);
 }
 
 /**