We have periodic freezing/locking-up of our 5000T with both red and blue lights showing and the remote control unresponsive. When this happens we typically find that any recordings set up over the last day or so have failed. It takes a power-cycle to get it working again. Gets me into a lot of trouble with my wife, but fortunately programs can be watched on iplayer etc. I'll try your suggestions to see if they make a difference.
Martin
I've been gradually turning things back on, at the moment all I have is the network server off, and the box has hung once since Feb......