Not quite sure which forum is most appropriate, but hope someone here can help sort this problem please.

Some of my WMV files give different results in different programs. A typical example of a 2.6 MB WMV gives these bizarre results:

- WMP10: Plays video but not audio
- IrfanView: Plays audio but not video
- NeroShowTime: Plays both video and audio
- PowerDVD: Plays both video and audio

It opens OK in GSpot and the DirectShow Render section shows this, FWIW:
Render Video Src Type 4cc: WVP2
Audio Src WMAudioV2
Video Path (S) --> WMVideo Advanced Decoder DMO --> (R)
Audio Path (S) --> WMAudio Decoder DMO --> (R)
Status: Rendering Successful.

Also, in case it's relevant, as part of my various attempts to fix it I tried re-installing WMP 10. But, at the end of the process, I got message: "It was not possible to complete Setup. Windows Media Player 10 was not installed. To update Windows, run Windows Media Player 10 Setup again." But that gave same result.

And one more presumably associated factor: I've just found that WMP 10 will not play AVI files properly, yet IrfanView will, and that is using the second of the two options here:
Play videos/sounds through:
- MCI interface
- Microsoft Media Player interface (recommended if you have MS Media Player installed!)

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Terry, West Sussex, UK