Merged in Fix-object-has-no-attribute-availableGeometry (pull request #34)

Fix object has no attribute 'availableGeometry'

Approved-by: Marius Stanciu

appMain.py

@@ -692,8 +692,9 @@ class App(QtCore.QObject):
             # screen = desktop.screenNumber(QtGui.QCursor.pos())
             # screen = QtWidgets.QWidget.screen(self.splash)
             screen = QtWidgets.QApplication.screenAt(QtGui.QCursor.pos())
-            current_screen_center = screen.availableGeometry().center()
-            self.splash.move(current_screen_center - self.splash.rect().center())
+            if screen:
+                current_screen_center = screen.availableGeometry().center()
+                self.splash.move(current_screen_center - self.splash.rect().center())
 
             self.splash.show()
             self.splash.showMessage(_("The application is initializing ..."),