This issue may occur for one or more of the following
One or more Windows Media Player files are missing or
You are trying to play a media file that has a file format
that Windows Media Player does not support. For example, you are trying to play
a .viv file. Windows Media Player does not support .viv files.
The media file is damaged.
The media file uses a codec that is not
The media file uses a codec that Windows Media Player does
To resolve this issue, follow these steps. After you
complete each step, test to determine whether the issue is resolved.
Note Windows Media Player supports the most common media file formats.
However, it does not support every media file format that is currently
available. In step 1, make sure that Windows Media Player supports the format
of the file that you are trying to play. If Windows Media Player does not
support that format, do not perform the steps after step 1. Instead, contact
the distributor of that file to see whether a viewer for the file is
Note Because there are several versions of Microsoft Windows, the
following steps may be different on your computer. If they are, see your
product documentation to complete these steps.
Verify that Windows Media Player supports the file format
that you are trying to play. Windows Media Player supports the following file
Windows Media formats: .asf, .asx, .avi, .wav, .wax,
.wma, .wm, .wmv
Musical Instrument Digital Interface (MIDI) formats:
.mid, .midi, .rmi
UNIX formats: .au, .snd
Note Windows Media Player does not support playing .avi files that
were created by using the Microsoft MPEG4v3 codec. Microsoft supports MPEG4v3
files in .asf streaming format only. These files are not supported in an .avi
file type. To play the file, you must encode the file again by using the
original source in a supported format, such as the .wmv format. To do this, you
can use the Windows Media Encoder. For additional information, visit the
following Microsoft Web site, and then click Windows Media
Encoder in the Select Download list:
If the other file plays correctly, the original file
you that were trying to play may be damaged. If you receive an error message
when you play both of the files, go to the next step.
Remove Windows Media Player, restart the computer, and then
reinstall Windows Media Player.
To remove Windows Media Player, follow these steps:
Click Start, click Control
Panel, and then click Add or Remove Programs.
In the Currently installed
programs list, click Microsoft Windows Media Player,
and then click Change/Remove.
When you are prompted to confirm the removal, click
Note You cannot remove the built-in version of Windows Media Player by
using this method. For additional information about how to remove Windows Media
Player 9 Series, visit the following Microsoft Web site:
Reinstall the latest version of Microsoft DirectX.
information about troubleshooting and installing DirectX, click the following
article numbers to view the articles in the Microsoft Knowledge Base:
How to determine the version of DirectX using the DirectX Diagnostic Tool
Verify that you are using the correct codec for the media
file that you are trying to play.
For additional information about verifying, installing,
and troubleshooting audio codecs, click the following article numbers to view
the articles in the Microsoft Knowledge Base:
Start Registry Editor and then verify that the following
registry subkey and its associated values exist. To start Registry Editor,
click Start, click Run, type
regedit, and then click OK.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
additional information about other error messages that you may receive when you
try to play Windows Media Player files, click the following article number to
view the article in the Microsoft Knowledge Base: