update: updated popup layout

gui/__main__.py

@@ -2658,13 +2658,6 @@ class MenuPage(Page):
             ticket_number=ticket_number,
             billing_code=billing_code,
         )
-        parent = self.update_status
-        try:
-            px = parent.x() + (parent.width() - self.popup.width()) // 2
-            py = parent.y() + (parent.height() - self.popup.height()) // 2
-            self.popup.move(max(px, 0), max(py, 0))
-        except Exception:
-            pass
         self.popup.show()
 
     def DisplayInstallScreen(self, package_name):
@@ -9139,6 +9132,38 @@ class TicketDataLossPopup(QWidget):
         self.copy_button.setText("Copy Billing Code")
         self.copy_button.setStyleSheet(self._copy_button_default_style)
 
+    def showEvent(self, event):
+        super().showEvent(event)
+        self._center_on_parent()
+
+    def _center_on_parent(self):
+        parent = self.parent_window
+        if parent is None:
+            return
+        try:
+            self.adjustSize()
+            parent_geom = parent.frameGeometry() if hasattr(parent, 'frameGeometry') else None
+            if parent_geom is None or parent_geom.isEmpty():
+                return
+            my_rect = self.frameGeometry()
+            my_rect.moveCenter(parent_geom.center())
+            target = my_rect.topLeft()
+            screen = None
+            if hasattr(parent, 'screen'):
+                try:
+                    screen = parent.screen()
+                except Exception:
+                    screen = None
+            if screen is not None:
+                avail = screen.availableGeometry()
+                tx = max(avail.left(), min(target.x(), avail.right() - my_rect.width()))
+                ty = max(avail.top(), min(target.y(), avail.bottom() - my_rect.height()))
+                self.move(tx, ty)
+            else:
+                self.move(target)
+        except Exception:
+            pass
+
     def mousePressEvent(self, event):
         self.oldPos = event.globalPosition().toPoint()