dvr-ms audio plays on server

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The mvp now plays the previously silent movie with sound.

Great - well done.

But GraphEdit wont open the mvptranscode.grf. It tells: "class not registered" - without stating what class it is complayning about. (I guess the PowerDVD installation containing the version 4 MPEG Muxer may also be broken because of this).

There is lots of valid reasons this can happen, and not something to worry about.

I hit on that, because my new PC - having the version 5 MPEG Muxer - was able to build a graph as in your screenshot (thanks! ). With version 4 GraphEdit allways denied connecting the audio output to the Muxer, telling me they are incompatible. The version 4 vs 5 (with my copies) difference is support for MPEG 2 audio as input.

Ok. I've never used a v4 one myself. Its worth noting that 5.0.0813 has some problems. You might be best to try v5.0.0.1307. There is a sticky post with download links.

Is it a good idea, to move the PVR350 to the new machine and let GBPVR handle both cards?

I'm not really that familiar with the AverMedia cards, but if it is compatible with GB-PVR, then it should handle them just fine in the same machine.