You can try these steps may be it helps:
If you are using Windows Then you can Try These:
First Uninstall Shockwave Player via the Control Panel. Go to the Add/Remove programs, and choose Macromedia or Adobe Shock wave Player.
After uninstalling restart your computer.
Then reinstall both the Shockwave and Flash Players from here:
http://www.adobe.com/downloads/
If you are using Mac :
For uninstall the Shockwave player on a Macintosh OS, run the installer available at:
http://www.adobe.com/shockwave/download/alternates/#sp
This installer also contains an Uninstaller. Save the Uninstaller to your desktop, then quit/exit any applications you have open. Launch the Uninstaller from your desktop and follow the instructions in the dialog boxes which appear.
After uninstalling Players, restart your computer.
Then reinstall both the Shock wave and Flash Players From the adobe sites.