diff --git a/src/windows/MainWindow.cpp b/src/windows/MainWindow.cpp
index f159a77..25d8001 100644
--- a/src/windows/MainWindow.cpp
+++ b/src/windows/MainWindow.cpp
@@ -68,6 +68,7 @@ MainWindow::MainWindow(QWidget* aParent)
         }
         mTabWidget->setVisible(true);
         this->update();
+        QApplication::processEvents();
     });
             
     GUIErrorHandle::Default()->init();