I reinstalled firmware 3.18 on 15/8 as it seems to be pretty stable other than the restart issue. I'm now leaving my box on 24/7 and have had no restarts or blank screens since. It doesn't solve the restart issue but at least the box is stable till the problem is sorted.
Agreed, but leaving the box on 24/7 is a workaround, not a solution, and of course leaves the hard drive recording the current channel 24/7 which will shorten its life.
The problem needs to be resolved, and going by Wklies last comment, he's out of ideas.
Sorry if I sound a bit harsh, but this is the second "FreeView certified" device that has developed an issue due to FreeView changes. I replaced the first with the MagicTV box.