Index: /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsGeneral.cpp
===================================================================
--- /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsGeneral.cpp	(revision 80699)
+++ /trunk/src/VBox/Frontends/VirtualBox/src/settings/machine/UIMachineSettingsGeneral.cpp	(revision 80700)
@@ -916,8 +916,8 @@
                     {
                         pDlg = new UIProgress(comProgress);
-                        connect(pDlg, &UIProgress::sigProgressChange,
+                        connect(pDlg.data(), &UIProgress::sigProgressChange,
                                 this, &UIMachineSettingsGeneral::sigOperationProgressChange,
                                 Qt::QueuedConnection);
-                        connect(pDlg, &UIProgress::sigProgressError,
+                        connect(pDlg.data(), &UIProgress::sigProgressError,
                             this, &UIMachineSettingsGeneral::sigOperationProgressError,
                                 Qt::BlockingQueuedConnection);