All - ie CHAP and KSV
All sorted - and I mean it this time!
You were both correct in your postings - I *should* have stopped the
RTMPexplorer-induced RTMPSRV before playback - just me being lazy and thinking that whilst it is running, it wold be pointless to stop and restart it.
Again, many, many thanks for helping me out on this - only 30 more games to download and analyse!