This is caused by a corrupt test file. This test file needs to be deleted and re-created. Follow the steps below to delete the file:
- On your computer, open a folder.
- Navigate to the C:\Program Files\Certification Preparation\Tests folder.
- Delete any .tst files
- You may also need to navigate to the \TstRecs\UserName folder and search for .tst files there as well.
- Restart the application.