The screen says techinical error. & no program is getting loaded

[Shraddha]

no program is getting loaded. It says technical fault. Try again later 

[Jason+Golding]

You are suffering from poor internet connectivity (wifi) or poor speeds or poor latency.  Sky stream needs a minium of 35 mbps  and good latency/connectivity. You need to inprove your broadband speeds or connectivy or possibly both. Try an ethernet connection. You can test speeds via netflix on the box