Please try and post questions in the correct forum. This is the blitz3d forum, I think you are talking about BlitzPlus.
Anyway, I think your problem is that on the remote computer you are not updating the dubble buffering correctley. You might have forgot to Flip it or Flip might be in the wrong place.
Anyway, I think your problem is that on the remote computer you are not updating the dubble buffering correctley. You might have forgot to Flip it or Flip might be in the wrong place.