Thema: Io error 5 in amiko 8900

enigma2 crash 1408561320 amiko alien 8900
input output error 5

Hi Captain
thanks for your replay for full flash but i dont know how to do it could you please please tell me how can i full flash system with usb stics beacause when i switch on my receiver its loading but after load open atv its reboot automatic and than restert and again its reboot so i dont know how can i flash it
thanks