Power cut, you turned it off, cat pressed the wall socket switch, aliens, foreign anomaly, government conspiracy, subscription fee expired, trial period expired, you expired, the cat expired... I haven't got a clue ( you didn't really give us alot of info did you! It's like phoning the RAC and saying "my car stopped, tell me whats wrong over the phone" )
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix sports equipment.