You may experience the subject behavior if any of the following are true:
- You upgraded Windows XP to Service Pack 1 (SP1).
- You use Internet Connection Sharing (ICS).
- You have DirectX 8.1 or earlier installed on your computer.
To determine what version of DirectX is installed:
1. Start / Run / dxdiag.exe / OK.
2. Select the System tab. The version information is at the bottom.
To install the newest released version of DirectX, visit http://www.microsoft.com/windows/directx.