|Adding an image or subtitles turn the screen upside down.|
This mainly happens due to the performance of your computer's graphics card.
Try to update your graphics card driver to the latest version. The problem is fixed in some cases when the driver is updated.
If the problem persists, it is presumed that your PC is not capable of handling the operations of the product. Please try on a different computer.
For more detailed diagnosis, please contact our customer service.