This symptom occurs when the Windows Media file with .asf and .wma extension is associated with OpenMG Jukebox and SonicStage.
Please see Knowledge Base solution How can the default associated application of a program be changed? for more information.
Alternatively, follow the steps below:
1. Start Windows Media Player.
2. From the Tools menu, click Options.
3. Click the File Types tab.
4. Select the Windows Media File option and click Apply.
5. Click OK.
6. Restart the computer.