Please make sure that you are following these steps to properly display the correct formatting for copied and pasted objects:

1. Check the source of your presentation objects to ensure the formatting is correct and consistent.
2. Ensure that any objects being copied and pasted have been properly resized and formatted to meet the same standards as the original versions.
3. Make sure the PowerPoint application has the latest version installed.
4. Check the settings of your PowerPoint presentation to make sure all formatting options are set correctly.