BIG PROBLEM

I HAVE A PROBLEM WITH TRYING TO WATCH A DVD IT USE TO PLAY DVDS BUT NOW IT WONT IT KEEPS GIVING ME A ERROR NUMBER HOW DO I SOLVE THIS PROBLEM?
THE ERROR NUMBER IS 0XC00D116D AND TO SOLVE THE PROBLEM IS 0X00000000. WELL THAT IS WHAT IT SAYS I JUST DONT UNDERSTAND THE PROBLEM I EVEN DOWNLOADED A NEW PROGRAM FOR IT AND THAT DID NOT WORK SO CAN SOMEBODY PLEASE HELP???????