It can be one of the following:
1) I think, it has something to do with the point, that PAL resolution is more or less hardcoded in the windows part, on the mvp it might work. (But I am not sure about this point, coding was done a long time ago.
2) More probable: It is a codec problem with ac3 since us television uses this as standard audio format, so check, if your currently seleted audio codec is able to play back ac3 from europe recordings. The bad news is that ac3 is not supported by the mvps....
The real reason can only be determined in debugging, you may expect a solution at the end of this year for windows client.
Marten