WinDVD® has stopped playback due to an AACS check error.

Follow these steps to resolve the issue:

1. Click Start.
2. Click Control Panel.
3. In the Control Panel window, click Programs and Features.
4. Uninstall WinDVD_BD.
5. Configure the operating system to show all hidden files and folders
6. Click Start.
7. Click Computer.
8. Click Local Disk C:
9. Locate the folder Corel® or the CorelWinDVD folder, and delete it.
10. Restart your computer.
11. Install WinDVD_BD from the VAIO Care™ Utility.

    NOTE: If the renewal of the AACS key is demanded, do not renew the AACS key.

12. Update WinDVD_BD to the latest version if there is an available update.