HD200: Suddenly started getting Playback Exception

[freewheeling]

I've been watching imported videos with no problem for some time, including MKV, and suddenly started getting the following message:

There was a Playbeck Error in playback: Details
sage.PlaybackException

I can't remember whether I changed any of the video filter or playback parameters in detailed setup, but I don't think so. I'm getting the same error when watching TV recorded using HDTV including videos I've watched before. I tried uninstalling and then reinstalling SageTV but still does the same thing. Is there some output parameter for the HD200 that has been corrupted? I seem to be able to play these files on my server, but just get the error on my extender.

[freewheeling]

Rebooted the HD200 and it seems to work now. Brain cramp.

[will]

I have this exact same issue with my two HD200s.

It affects my oldest HD200 the most. Typically I experience this issue after I lose power and the HD200 restarts. I usually have to do hard reboots on it multiple times, sometimes with everything unplugged from the back, to get it working correctly again.